鼠妇, 西瓜虫
a small, round, woodlouse-like crustacean that can roll itself into a ball when disturbed
:
• My daughter loves to watch the roly-polies curl up when she touches them.
我女儿喜欢看鼠妇被触碰时卷起来。
• We found a tiny roly-poly under the rock.
我们在石头下面发现了一只小鼠妇。