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
Don't worry.
别担心。
He always tries to please everybody.
他常想讨每一个人喜欢。
That was quick! she said. Have you finished already?
“你真快！”她说，“你已经买完东西了吗？”