n.淡水螯虾，海水大龙虾

The crayfish is a popular delicacy in Cajun cuisine.
螃蟹在卡津料理中是一种受欢迎的美食。
In the freshwater stream, we caught several crayfish using a net.
在这条淡水溪流中，我们用网捕到了几只螃蟹。
The crayfish's exoskeleton turns bright red when it's cooked.
螃蟹煮熟后，它的外壳会变成亮红色。
The crayfish is an important commercial species for fishers in that region.
对于那个地区的渔民来说，螃蟹是一个重要的商业物种。
The local restaurant serves a famous dish called "Crayfish Boil".
当地餐厅有一道著名的菜肴叫做“螃蟹煲”。
The crayfish uses its claws to break apart mollusks and other small prey.
螃蟹利用它的钳子砸碎软体动物和其他小型猎物。
After molting, the crayfish grows larger as its new exoskeleton hardens.
螃蟹蜕壳之后，随着新壳变硬，它会长得更大。
Beware of the pinch from a crayfish; they can be quite strong!
注意别让螃蟹夹到，它们的力气可不小！
Crayfish are crustaceans, related to lobsters and shrimp.
螃蟹属于甲壳类动物，与龙虾和虾有亲缘关系。
In some parts of the world, crayfish invasions have affected native ecosystems.
在世界上的某些地区，螃蟹入侵已经对当地的生态系统产生了影响。