Backstops
n. 挡球网；捕手；支撑物
🗣️ 情景例句
We need to know about your history with animals.
我们要了解你以前与动物的关连。
No matter what comes up, don't sound nervous.
不论发生什么事情，你也不要显得紧张。
But which language is the most widely spoken in the world?
但是世界上哪种语言运用最广泛？