Allenolic series
[机] 丙二烯系
🧩 词语组成解析
🗣️ 情景例句
I'm a friend of Pete's.
我是Pete的朋友。
Would you tell her Tom Gray Called?
请你告诉她汤姆i格雷来过电话，好吗？
We shall need two buses to meet people at the staton.
我们需要两辆公共汽车到车站去接人。