Polychlorparaffin
多氯化石蜡
🗣️ 情景例句
not music or dancing or entertainment.
而不是音乐， 舞蹈或者娱乐。
We'll have fine weather for the next few days?
以后几天天气晴朗。
He wanted to buy a $300 watch for his wife,
他走进一家高级商店，要为妻子买一块价值300英镑的手表。