xué lèi > yuán 
mùlù
yīngwénjièshì
  1. n.:  head up,  have [take] its (one's) rise among [in, from],  take its source at,  take its springs from[out of]
  2. v.:  rise
bāo hán cí
yuán tóng de yuán shēng nèi de yuán húpō de liú