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
He has been friendlier lately.
他近来更友好了。
Do you swear to tell the truth, the whole truth, and nothing but the truth?
你发誓据实陈述而决无谎言吗？
That's quite true.
千真万确。