Ambulator
(地测)测程轮, 测距计
🗣️ 情景例句
Matches?
火柴？
You'd have a better chance of catching the train if you took a bus to the station instead of walking.
如果你不是步行而是乘公共汽车的话，那你就比较有可能赶上火车。
At the age of twelve years, the human body is at its most vigorous.
人体在12岁时是生命力最旺盛的时期。