Polypak
苯乙烯、二乙烯苯共聚物
🗣️ 情景例句
Why are you in such a good mood?
为什么你的心情那么好？
If I buy that car, I'll have to make monthly payments.
如果我要买那辆车的话，我必须每月分期付款。
We've had to increase our prices on this item by just 8%.
这一种我们不得已也只加了8%而已。