Dnoc
[医] 二硝基邻甲酚
🗣️ 情景例句
to open the building for us on the next four weekends.
在往后四个周末开放那座建筑。
I'm going to show him how to swim.
我正要指点他如何游泳。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。