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
Then you'll see a big old red barn.
然后你就会看到一座旧的红色大粮仓。
He is wise that is honest.
诚实者明智。
to overcome all but the most instantly fatal illnesses and accidents.
了暴病而死或意外事故外，至少足以克服一切一般疾病和事故。