Polysulphide
n. [化]多硫化物
🗣️ 情景例句
so it's my pleasure
所以现在我很乐意
The recent rain has had a bad effect on the crops.
最近的那场雨对庄嫁的影响不好。
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。