Polylactide
聚交酯
🗣️ 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。
I wonder what makes you late.
我不知道是什么使你迟到。
To varying degrees, we all have secrets which we do not want even our closest friends to learn,
尽管我们人人都有各种大小秘密。连最亲密的朋友都不愿让他们知道，