Optical spectrum
[化] 光谱
🧩 词语组成解析
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
Throw away the apple because of the core.
因噎废食。
Time is money.
时间就是金钱。