1620s, variant of crayfish. Not originally an American form. Also in 19c. American English as a verb, "to back out," in reference to the creature's movements.
双语例句
1. We'll just have to crawfish out of shaking hands with them.
我们只有结束跟他们的友好关系.
来自《现代英汉综合大词典》
2. Crawfish, like shrimp or lobsters, belong to the scientific Crustacea.
小龙虾和虾或龙虾一样, 在科学上属于甲壳纲动物.
来自互联网
3. Baolong possesses a long history and exquisite skill for crawfish products processing.