Pentachlorization
五氯化作用
🗣️ 情景例句
The drama club is putting on a play tomorrow night.
明晚戏剧社要上演一出戏。
When would you like to return?
你打算什么时候回来？
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。