Backstops
n. 挡球网；捕手；支撑物
🗣️ 情景例句
This couple treats their adopted child as their own.
这对夫妇把他们的养子视如己出。
I'm a federal employee. I work for the Department of Labor.
我是一个联邦雇员。 我为劳动部门工作。
Hmm! I think I can mend it. But I want a knife. Do you have a knife?
我想我可以，但需要一个小刀，你有吗？