Pentasulfide
五硫化物
🗣️ 情景例句
to be with people--people his own age.
和别人交往像他那般年纪的人。
Those goods are available in strong wooden drums of 1,2,5,10 and 20 litres.
这些货物分别装入1、2、5、10、20升的木桶里。
History does not relate whether his friend accepted his medical help, but in all probability he did.
他的朋友是否接受了他的药物治疗，历史没有记载，但很可能是接受了。