Concave line
[计] 凹线
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Could you take a monent to freshen up first? you don't want to go into the meeting smelling like that!
你可不可以先去清醒一会儿？你也不希望带着这样的一身气味去开会吧！
I believe they also deserve this award.
我认为他们也有资格获得这一奖项。
We'll need all our orders packed that way from now on.
今后我们所有的货都要照样包装。