Polychloride
多氯化物
🗣️ 情景例句
He's asleep.
他睡着了。
He's tired because he worked hard all day today.
他疲倦是因为他今天整天努力工作。
The stream wound its way across the field and then flowed right under their tent!
那小溪弯弯曲曲穿过田野，然后正好从他们的帐篷底下流过去。