barb

倒鉤、倒刺

The fish hook has a tiny barb that prevents it from slipping out.

魚鉤上有個小倒鉤，可以防止魚脫鉤。

諷刺、挖苦、帶刺的話

She ended her speech with a barb aimed at her critics.

她在演說結尾丟出一句挖苦批評者的話。

羽枝生物

Each feather is made up of hundreds of tiny barbs.

每根羽毛都是由數百根細小的羽枝組成。

裝倒鉤於少用

The arrows were barbed to make them harder to pull out.

這些箭裝上了倒鉤，讓人更難拔出來。