Spectrum line
频谱线，光谱线
🧩 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 are in the red.
我们有亏损。
Hey, you break it up!
喂，住手啦！
I received an invitation, but I did not accept it.
我收到-份请帖，但没有接受。