Seim
abbr. simple effective index method 简单有效折射率法
🗣️ 情景例句
Everything--the food, the music and the guests--is arranged just right.
一切安排得尽善尽美--食物,音乐,所有宾客都令人满意。
One foe is too many; and a hundred friends too few.
朋友成百犹觉少，仇敌一人已嫌多。
We are wasting time.
我们是在浪费时间。