Ambulators
n. [测] 测距仪；测程轮
🗣️ 情景例句
Be prepared to discuss details and be ready to answer questions.
应随时准备好讨论细节和回答对方的疑问。
He devoted himself completely to his work.
他完全投身于工作。
But in an old man who has known human joys and sorrows,
可是老年人已经饱尝了人间的甘苦，