Concaving
v. 凹的( concave的现在分词 ); 凹地; 凹面, 成凹形
🗣️ 情景例句
maybe you should think about becoming a writer.
也许你应考虑成为一名作家。
How much is it?
多少钱？
But I don't understand.
这我就不明白了。