An operation is beginning to try to save aspeciesof crocodile from extinction.
一项行动正在展开来拯救一个鳄鱼种类使其免遭灭绝。
《柯林斯英汉双解大词典》
2
Princessfish are aspeciesof coral-reef fish that are captured alive by divers who first stun the individual fish by squirting a certain poison at them.
公主鱼是一种珊瑚礁鱼,潜水员会先将某种毒药喷到鱼身上,使其昏迷,然后将其活捉。
3
It's aspeciesofa very rare tree that grows in Australia, Eidothea hardeniana, but it's better known as the Nightcap Oak.