Allenes
二烯烃
🗣️ 情景例句
We'll call Mrs. Martinelli and tell her to keep looking for us.
我们会打电话给Martinelli太太告诉她继续帮我们物色房子?
I worked at the grocery store yesterday.
我昨天在杂货店工作。
You're a jerk!
你是个废物！