Boundness
[计] 有界性
🗣️ 情景例句
I'd really like to pick up Grandpa at the railroad station.
我真想去火车站接爷爷。
The gas stove is out of order.
这煤气灶坏了。
'We're going back now,' said the conductor.
“我们现在要返回去，”售票员说。