Bischofite
水氯镁石
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
Today, they will introduce to you our newly built plant and research center.
今天，他们将会向您介绍我们新落成的工厂和研究中心。
Meanwhile, his unit was lost and all records of him had been destroyed.
与此同时，他所在部队被击溃，他的所有档案材料全部毁于战火。