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
about leaving New York, the family, and friends.
对于离开纽约， 家人和朋友。
I'm going to use three pounds.
我要用三磅。
They hope to finish in time for a trade summit between America and the EU on May 28TH.
他们希望尽早达成协议，为5月28日举行的美国和欧洲贸易的最高通级会议作准备。