Ambulators
n. [测] 测距仪；测程轮
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
It's the most up-to-date in the industry.
这是同业中最新型的。
Oh! She's falling off her bike. I hope she didn't hurt herself.
噢！她正从自己的自行车上跌落下来。我希望她没有摔伤。