Polychlorinated
[医]多氯化的
🗣️ 情景例句
You are a walking dictionary.
你是活字典。
You saw that movie, didn't you? Was it interesting?
你看过这部电影了吧？精彩吗？
It would strike twelve in twenty minutes' time.
再过20分钟，大钟将敲响12下。