Monochlorination
一氯化作用
🗣️ 情景例句
Bye.
再见。
No wonder everyone speak highly of your commercial integrity.
难怪大家都极为推崇你们的商业信誉。
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹奏一支曲子时，我们才第一次看到那条蛇。