Backslap
v. 拍背以示友好
🗣️ 情景例句
Richard and I will put them into the envelopes.
我和Richard把它们放进信封。
This metal is harder than that one.
这种金属比那种硬。
I've lost my science book. Have you seen it anywhere?
我的自然科学书丢了。你在哪看见了吗？