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
You can't afford to ignore the profession's code of conduct.
你不能无视行业的行为准则。
I said, Is there anything I can do?
我是说:我能为你做点什么吗？"
Would you please go to a dancing party with me?
请你跟我一起去参加一个舞会好吗？