常見(jiàn)例句

• The parasitic larva of certain freshwater mussels of the family Unionidae,having hooks for attaching to the gills or other external parts of a host fish.
  瓣鉤幼蟲(chóng)珠蚌科淡水貝類(lèi)的寄生幼體，長(zhǎng)有鉤并用來(lái)附著在寄宿主魚(yú)的鰓或其他體外部分。
返回 Unionidae