hǎi yáng xué : fēng xué > yuè dōng
mùlù
No. 1
  hòu niǎo yuè dōng
   yuè dōng
   pīn yīn: yuèdōng
   yīng wén: [livethroughthewinter]
   shì yóu guò dōngduō yòng zhí lèikūn chóngbìng jūn zhī shǔ guò dōng
yīngwénjièshì
  1. :  wintering
  2. n.:  live through the winter
  3. vi.:  hibernate