Oxychlorination
氧氯化
🗣️ 情景例句
Could you please tell me the departure times?
你能告诉我出发的时间吗？
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
Sorry. I haven't seen it anywhere.
对不起，我没见过。