Isocarbs
等固定碳线
🗣️ 情景例句
spending so much time together?
老是在一起呢？
I'm sorry to burst in on you like this, but I'm really upset.
我很抱歉这样突然地找您，但我真的很心烦。
There is a television in the room.
客厅里有台电视机。