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
I don't think we should see each other any more.
我觉得以后咱们还是别再见面了。
If you dance you must pay the fiddler.
要想寻欢作乐，代价非付不可。
Pink!
粉红色！