Seim
abbr. simple effective index method 简单有效折射率法
🗣️ 情景例句
If they're as good as the rest of these pictures, it's a deal.
假如它们跟这儿其余的照片一样好的话， 我们的交易就成了。
Here!
到！
Such things provide an excellent outlet for pent up creative energy,
这些东西为人们潜在的创造力提供了一个绝妙的用武之地。