Concaving
v. 凹的( concave的现在分词 ); 凹地; 凹面, 成凹形
🗣️ 情景例句
I hope it isn't important.
希望不是什么重要事。
which direction is it to the theatre?
它哪个方向对剧院？
Here we are. Row M， seats l and 3.
哦，到了。M排，l号和3号。