| - 修正汽车上的轮胎准线
Correct the wheel alignment on a car. - 这对双胞胎非常相象。
These twins are very much alike. - 同卵双生胎看上去完全一样。
Identical twins look exactly alike. - 这对双胞胎很相像。
The two twins look very much alike. - 这对双胞胎长得象一个豆荚里的两颗豆子。一般来说朋友的经历和品味都是相象的
The twins are as alike as two peas in a pod. Friends are generally alike in background and tastes. - 尿模哺乳动物、鸟类和两栖动物的胚胎中在消化道后部形成的膜质液囊。对哺乳动物脐带和胎盘的形成有重要作用
A membranous sac that develops from the posterior part of the alimentary canal in the embryos of mammals, birds, and reptiles. It is important in the formation of the umbilical cord and placenta in mammals. - 绒毛膜尿囊由融合的绒毛膜和尿囊组成的富含血管的胎膜组织，存在于爬行类动物和鸟类的蛋壳附近，并且构成大多数哺乳动物的胎盘
The highly vascular fetal membrane that consists of the fused chorion and allantois, found adjacent to the eggshell in reptiles and birds and constituting the placenta in most mammals. - 初步研究显示，通过将猪胎脑细胞移植给患者大脑，可以消除帕金森氏症的症状，一种相关技术也可以应用于比较流行的糖尿病，目前，糖尿病依靠胰岛素来进行治疗，这离理想的治疗还差得很远，并且它根本就不能治愈。
Preliminary research has shown that it is possible to alleviate the symptoms of Parkinson's disease by transplanting fetal pig brain cells into a patient's brains. A related technique may be applied to diabetes, another widespread disorder. Currently diabetics rely on insulin therapy, which is far from being an ideal treatment and is certainly not a cure. - （胎儿）发育过程中有胎膜的高级脊椎动物；如爬行类动物、鸟、哺乳动物。
higher vertebrates (reptiles; birds; mammals) possessing an amnion during development. - 胎膜羊膜的一部分，尤指当包着出生时的胎儿头部时
A portion of the amnion, especially when it covers the head of a fetus at birth. - 东京顺天堂大学的桑原教授进行了另一项研究,他的研究是从羊的体内取出胚胎,然后放入装有保持体温的羊水液体里。
A different approach has been taken by Yoshinori Kuwabara at Juntendo University in Tokyo. His team has removed foetuses from goats and placed them in clear plastic tanks filled with amniotic fluid stabilised at body temperature. - 羊膜穿刺术用针刺入腹腔以便从子宫中抽取少量羊水样品的步骤。随后对羊水进行分析，检测胎儿是否遗传异常或用以确定胎儿性别
A procedure in which a small sample of amniotic fluid is drawn out of the uterus through a needle inserted in the abdomen. The fluid is then analyzed to detect genetic abnormalities in the fetus or to determine the sex of the fetus. - 原肛肛道胚胎消化道表面的凹陷，发育成直肠的一部分
An inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage. - 近年来，如果这种人想要一个和自己有遗传关系的孩子的话，他们可以使用胚胎植人前的诊断法，来替换为其中一人捐赠的精子或卵子，或者对每一个胚胎进行遗传分析，这样一来，只有那些不会造成疾病的基因才会被植人母亲的子宫里。
At present, if such people want a child with some genetic relationship to themselves, they can substitute donated sperm or eggs for one parent's or have each embryo analyzed genetically using preimplantation genetic diagnosis so that only those embryos shown to be free of the disease-causing gene are transferred to the mother's womb. - 一般化的已灭绝哺乳动物，活跃于侏罗纪；普遍认为是有袋动物和有胎盘哺乳动物的祖先。
generalized extinct mammals widespread during the Jurassic; commonly conceded to be ancestral to marsupial and placental mammals. - 局部麻醉后通过扩张宫颈来刮除子宫内膜的手术；用来获得组织细胞样本、阻止大出血、割除小肿瘤，或者作为流产方法在分娩后割除胎盘。
a surgical procedure usually performed under local anesthesia in which the cervix is dilated and the endometrial lining of the uterus is scraped with a curet; performed to obtain tissue samples or to stop prolonged bleeding or to remove small tumors or to remove fragments of placenta after childbirth or as a method of abortion. - 安娜·库尔尼科娃活生生地证明：即使在这个应该是开明的时代，一个美人胎子可与优秀的反手击球技巧同等重要。
Anna Kournikova is living proof that even in this age of supposed enlightenment1,a hot2 body can count as much as a good backhand3. - 但是，生育业已经发出警告：结束匿名将使精子、卵子和胚胎供应不足。这对于不孕妇女和患不育症的男子是可怕的前景。
The fertility industry is already issuing dark warnings that an end to anonymity will create a shortage of sperm, eggs and embryos, a terrifying prospect for the women having trouble conceiving, and the men who have difficulty fathering a child. - 胎儿期并发症能影响婴儿的健康.
Antenatal complications can affect a baby's health. - 后脑胚胎后脑的前面部分，后发育成小脑和桥
The anterior part of the embryonic hindbrain, which gives rise to the cerebellum and pons. - 前脑大脑胚胎三个主要区域中最靠前的一个，端脑与间脑从这里发育
The most anterior of the three primary regions of the embryonic brain from which the telencephalon and diencephalon develop. - 前肾，原肾一肾状器官，是脊椎动物胚胎中三对器官最前面一对的一部分，在高级脊椎动物的早期发育时消失，但在一些初级脊椎动物中作为肾脏，如八目鳗
A kidneylike organ, being either part of the most anterior pair of three pairs of organs in a vertebrate embryo, disappearing early in the embryonic development of higher vertebrates, but functioning as a kidney in some simple vertebrates, such as the lamprey. - 一种有效治疗抵抗各种类型革兰阳性组织的知名的化学结构的多胎抗生素；通常是局部性使用。
a polypeptide antibiotic of known chemical structure effective against several types of Gram-positive organisms; usually applied locally. - 我辨认不出这对双胞胎。
I can't tell the twins apart. - 在广为人知的奥克塔维安的传说中，又有一对双胞胎被猿养大，另一种说法是被雌狮养大。
In the popular romance Octavian, another set of twin boys is nurtured by, in one case, an ape, and in the other, a lioness. - 单孔类动物和有袋动物是无胎盘的哺乳动物。
monotremes and marsupials are aplacental mammals. - 因此，我们暂且就以十五世纪来说吧，那时巴黎就已经冲破那三道同心圆的城垣了，远在叛教者朱利安①时代，大堡和小堡就可以说是这三道城垣的胚胎了。
Thus, beginning with the fifteenth century, where our story finds us, Paris had already outgrown the three concentric circles of walls which, from the time of Julian the Apostate, existed, so to speak, in germ in the Grand-Chatelet and the Petit-Chatelet. - 用于原来的分类系统中；与中央胎座目基本同义。
used in former classification systems; approximately synonymous with order Caryophyllales. - 因为捐献卵子的母亲还为每一个胚胎提供少数的线粒体一微小的携带自己遗传物质的细胞内的能量加工厂一这种方法甚至为女同性恋夫妇提供了一种近似有性繁殖的可能。
Because the egg-donor mother also supplies to each embryo a small number of mitochondria -- tiny energy factories within cells that have some of their own genetic material -- this approach even affords lesbian couples an approximation of sexual reproduction. - 原肠胚一种囊胚之后的胚胎，含有中空、两层的外胚层和内胚层，包围着通过胚孔跟外界交流的原肠
An embryo at the stage following the blastula, consisting of a hollow, two-layered sac of ectoderm and endoderm surrounding an archenteron that communicates with the exterior through the blastopore. - 不完全无配生殖胚胎和种子在未经过授精情况下而进行的无性生殖
The asexual formation of embryos and seeds without the occurrence of fertilization. - 那对双胞胎又在阁楼上胡闹了。
The twins have been monkey about in the attic again.
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