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
Hi, John, what's going on?
嗨，约翰，你都在做些什么事啊？
What day is today?
今天是星期几？
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，