Afpol
丁二烯苯乙烯橡胶
🗣️ 情景例句
Learning to express onself well is an important part of education.
学会把意思表达清楚是受教育的一个重要方面。
The more a man knows, the less he knows he knows.
懂得越多，就越知道自己懂得不多。
May I see it a moment?
我看一下好吗？