Polychlorosubtilin
多氯枯草菌素
🗣️ 情景例句
Ask him to stop by for a talk.
让他过来坐坐，聊聊天。
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
An individual human existence should be like a river----
个人的存在应该像一条河流，