n.長牙；獠牙

名詞tusk的復(fù)數(shù)形式.

The earth is held between the boar's tusks. 地球位于野豬的長牙之間。

Tusks are fundamentally no different than ordinary teeth. 象的長牙和普通的牙齒基本上沒有什么區(qū)別。

Beaked whales and the narwhal are the only cetacean species with tusks, according to Baker. 貝克指出，在鯨豚類中，只有突吻鯨和獨角鯨具有獠牙。

The males also use the tusks for sparring, giving each other crisscrossed patterns of scars. 雄性突吻鯨也使用獠牙來角斗，并在彼此身上留下一道道交叉的傷疤。