Trichromscope
三色镜
🗣️ 情景例句
My mistake. it won't happen again.
是我的错。 不会再发生类似的事情了。
Our first bill came yesterday, and we have some questions.
我们昨天收到的第一张帐单，有一些问题。
On Saturday, Ann came home from school a little earlier.
星期六，安放学后提早了点回家。