例句與造句

1. Others have specialised mouthparts consisting of a horny beak edged by several rows of labial teeth.
2. The mouths of the tadpoles are made for suction to rocks, with labial teeth rows used for scraping algae and diatoms, unicellular algae with cells walls that contain silica, off of the rocks to which they are clinging.
3. It's difficult to find labial teeth in a sentence. 用labial teeth造句挺難的