Seim
abbr. simple effective index method 简单有效折射率法
🗣️ 情景例句
And you'll have a full day in the country.
你们就可以在乡下待一整天啦。
How I wish the vacation would last longer!
如果假期长一点那该多好。
I insist on telling him how great you were.
我一定要告诉他你是多么了不起。