Oxychlorination
氧氯化
🗣️ 情景例句
OK, we have let you know as early as possible.
好的，我们会让你们尽早知道。
A bad padlock invites a picklock.
开门揖盗。
Last week Mrs.Mills went to London.
上星期米尔斯夫人去了伦敦。