Synthal
合成橡胶
🗣️ 情景例句
All in good time.
别急，还有时间。
If you have cows you have to get up early to do the milking.
如果你有奶牛，你不得不早起挤奶。
Yes.He must remain in bed for another two days.
是的，他还必须卧床两天。