Polar line
极线
🧩 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
We'll sign two originals, each in the Chinese and English language.
我们将要用中文和英文分别签署两份原件。
I ought to write a letter.
我应该写一封信。
He has an old head on young shoulders.
他年轻又有见识。