Polychlorosubtilin
多氯枯草菌素
🗣️ 情景例句
OK. I'll be back in a few minutes.
好，过几分钟我就回来。
They only want to solve domestic problems.
他们只希望解决国内的问题。
You work for the Overseas Engineering Company, don't you?
你在海外工程公司上班，是吗？