Trichromate
三铬酸盐
🗣️ 情景例句
You might want to know more about it.
我想你肯定想多了解点吧。
From 4 to 4:30.
四点到四点半。
Old women in black shawls peered at us from doorways.
披黑纱巾的老妇人站在门口偷偷地瞅着我们。