Monosulphide
一硫化物
🗣️ 情景例句
I certainly am. May I help you?
我是，我能帮您什么忙吗？
Such data is confidential.
这样的资料为机密资料。
Instruments have been devised and can be so placed that all three elements can be recorded in different graphs.
已经设计出了一些仪器，它按照一定的安放方式就可测绘出这三种运动的曲线图。