Seim
abbr. simple effective index method 简单有效折射率法
🗣️ 情景例句
Oh, this is amazing! How can you people handle so many festivals?
哇，不是吧！你们怎么可能应付这么多的节日？
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
Thank you.
谢谢。