Spectrograde
光谱级(的), 光谱纯(的)
🗣️ 情景例句
We're particularly interested in your line of rackets.
我们对贵公司的球拍系列特别感兴趣。
This is the basement.
这里是地下室。
What I want to do is different from those of others.
我想做的与别人不同。