Difluorocarbene
[化] 二氟卡宾
🗣️ 情景例句
Thanks. And what about your family?
谢谢。那你的家庭呢
Excuse me. Can you tell me where Main Street is?
劳驾，你能告诉我正街在哪里吗？
New York never sleeps.
纽约是一座不眠的城市。