Halocarbons
(halocarbon 的复数) n.[化]卤烃
🗣️ 情景例句
Mrs. Smith, You're a wonderful cook.
史密斯夫人，你是一个了不起厨师。
A joke never gains an enemy but often loses a friend.
开玩笑总不能化敌为友，反而有时会失去朋友。
But I couldn't answer the rest.They were too difficult for me.
但我回答不出其作的题。那些题对我来说太难了。