Plumb line
铅垂线
🧩 词语组成解析
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
How do you feel today?
今天感觉如何？
Who called a while ago?
刚才谁在打电话？
I suggest that you did not catch the 8 o'clock train,
您乘的不是8点钟的火车，