Episulfide
环硫化物
🗣️ 情景例句
Give me a discount.
给我打个折吧。
How much is this rug?
这条地毯多少钱？
New Zealand is an impotant agricultural country with a small population. In size it is bigger than Guangdong Province, yet has a much smaller population.
新西兰是一个人口很少的重要的农业国。新西兰的面积比广东省大，但人口却少得多。