Concaved
v. 凹的( concave的过去式和过去分词 ); 凹地; 凹面, 成凹形
🗣️ 情景例句
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
If I buy that car, I'll have to borrow some money.
如果我要买那辆车的话，我必须借一些钱。
Please write soon and tell me all your news.
噢，我得停笔了。请快点回信，告诉我你们的一切。