Concave line label
[计] 凹线标号
🧩 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;
label
['lebl]
n. 标签;称标记，符号;[建] 门或窗户上面的线脚;
vt. 贴标签于;把…称为;把…列为;[化]用放射性元素使（元素或原子等）示踪;
🗣️ 情景例句
I'm extremely sorry for the delay.
对此延误，我深感抱歉。
I usually wake up early.
我通常早醒。
He wrote about socialism in newspapers and started a magazine called Indian Opinion.
他在报纸上撰文报导社会主义并且创办了一份叫做《印度之声》的杂志。