Backstops
n. 挡球网；捕手；支撑物
🗣️ 情景例句
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
All of those men are friends of mine.
那些人的都是我的朋友。
I'm not going to any.I need some fresh air, so I'm going out for a walk.
我哪个报告都不去听。我需要一些新鲜空气，因此我要出去散步。