Polylactide
聚交酯
🗣️ 情景例句
Tom doesn't have a steady girlfriend at the moment.
汤姆眼下还没有一个已确定关系的情侣。
Soon up, soon down.
升得高，落得快。
And he mustn't eat rich food.
威廉斯夫人，而且不能吃油腻的食物。