Spectrocomparator
光谱比较仪
🗣️ 情景例句
I need to be in the top percentage of my class to study abroad.
为出国留学，我的成绩必须在班里名列前茅。
May I ask you a question?
我可以向您提个问题吗？
You're nothing to me.
你对我什么都不是。