Backstops
n. 挡球网；捕手；支撑物
🗣️ 情景例句
I think Michelle is asleep now. Let's talk.
我想Michelle现在睡着了。让我们谈谈吧。
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
I'm looking at the blackboard.
我在看黑板。