Ambulators
n. [测] 测距仪；测程轮
🗣️ 情景例句
That's really the limit.
真叫人忍无可忍。
There is no royal road to learning.
治学无坦途。
It'll be the biggest live concert the world has ever seen.
这将是世界上从未有过的最大的现场音乐会。