Hemitrisulfide
三硫化二物
🗣️ 情景例句
It's good that you went back.
你回去是对的。
The camera is out of order.
这照相机出毛病了。
the gaoler returned a few moments later with a pair of glasses and the usual copy of the letter which he proceeded to read to the prisoner.
一会儿工夫，狱卒重新登台，拿来一副眼镜以及平时使用的那封信，然后为那囚犯念了起来。