Penthrane
甲氧氟烷
🗣️ 情景例句
No, thank you.
不用 谢谢你。
I wonder if you are on my side.
我不知道你是否站在我这边。
'I've just arrived by train,' she said.'I'm coming to see you.
“我刚下火车，”她说，“我这就来看你。