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
This whole place is heavenly.
这整个地方都太美好了。
They have brought wine with them to the dinner party.
他们为晚宴带来了美酒。
The fact of first-rate importance is the predominant role that custom plays in experience and in belief, and the very great varieties it may manifest.
最重要的是，风俗在实践中和信仰上所起的举足轻重的作用，以及它所表现出来的极其丰富多采的形式。