Regenerable
可再生的
🗣️ 情景例句
We are going upstairs to set up Grandpa's room.
我们要上楼收拾一下爷爷的房间。
It's $30.00 one way or $55.00 round trip.
单程票价30美元，来回票价55美元。
What have you enjoyed most?
你最喜欢什么呢？