Spectrograde
光谱级(的), 光谱纯(的)
🗣️ 情景例句
I'm sick of his long, empty speeches.
他那冗长而又没有内容的演讲令我厌倦。
Here's the money you need. The interest rate is 25%.
这是你要的钱，利息是25%。
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。