Fishes, crabs, octopus, are part of nekton . 鱼类、蟹类、章鱼都是自游动物的组成部分。
2.
I eat lots of shellfish . 我常吃虾、蟹及贝类食物。
3.
We have identified the crab nebula as the debris of this explosion . 我们已证明蟹状星云就是这次爆炸的遗迹。
4.
"here," he said, putting his hand into his breast and sidling up to the old man . “这里”，他说，一只手伸到怀里，蟹行到老人身边。
5.
Said an old crab to a young one, "why do you walk so crooked? walk straight! " 老蟹对小蟹说：“你为什么走起路来东拐西弯的？要直走！”
6.
Negroes are prostrate everywhere and morays and crawfish and spider crabs are moving around and over their bodies . 到处是黑人，倾身匍匐在地，海鳝，小龙虾，尖头蟹，在他们身上爬上爬下，爬东爬西。
7.
The cold waters of the northern pacific and the still, shallow inlets are also rich in flounder, tuna, hablibut, shrimp and crab . 北太平洋的寒冷海水和宁静而浅的海湾，还盛产比目鱼、金枪鱼、庸鲽、虾和蟹。
8.
Mrs . brown : no . i ' m allergic to shrimp and crab 布朗太太：不，我对虾和蟹过敏。
9.
Do you want to share an appetizer ? crap cakes 你想要点开胃菜吗？还是蟹肉蛋糕？
10.
You will be able to communicate well this week 巨蟹：这周你能很愉快地与人交流。
