Seim
abbr. simple effective index method 简单有效折射率法
🗣️ 情景例句
I would just like to thank all of you,
我只是想谢谢你们大家，
Tell me all about your troubles.
把你所有的烦恼都告诉我吧。
I thought you could do a better job.
我以为你的表现会更好。