Nitrodextrin
硝化煳精
🗣️ 情景例句
As Ms. Smith has indicated on several previous occasions.
史密斯夫人在先前的几个场合已表示过我们对目前的印刷的安排很满意。
He who would climb the ladder must begin at the bottom.
爬梯必须从底层开始。
In June.
六月份。