crab

The blue crab used its sharp pincers to defend itself from the predator.

(Chinese) 那只蓝蟹用它锋利的螯保护自己免受捕食者的攻击。

We walked along the shore at low tide to catch crabs hiding under the rocks.

(Chinese) 我们在退潮时沿着海岸走，去捕捉躲在岩石下的螃蟹。