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
What do you think of life in Beijing?
您觉得北京的生活怎么样？
There is a skeleton in every house.
每座房子都有骨架。
A 55-storey building went up in 1913, and in 1931 the Empire State Building was completed, then the tallest building in the world.
1913年一座55层高的大楼拔地而起。1931年帝国大厦竣工，这在当时是世界上最高的大厦。