Concavoconcave
[医] 对凹的, 双凹的
🗣️ 情景例句
I'm going nowhere in my present job.
我现在的工作没有出路。
It's already in production, so you can expect it in stores before the end of the month.
产品已投产了，所以月底前你可以获得。
There is always hope that in its labyrinth of musty, dark, disordered rooms a real rarity will be found amongst the piles of assorted junk that little the floors.
人们还常常有希望在发霉、阴暗、杂乱无章、迷宫般的店堂里，从杂乱地摆放在地面上的、一堆堆各式各样的破烂货里找到一件稀世珍品。