Polychlorohydrocarbon
多氯代烃
🗣️ 情景例句
Max thanks you.
Max谢谢你。
Affectionate mother.
满怀慈爱的母亲。
The Scandinavian countries are much admired all over the world for their enlightened social policies.
斯堪的纳维亚半岛各国实行开明的社会政策，受到全世界的推崇。