Zhang Heng was also a mechanical engineer, and made a flying "wooden eagle"and a "mileage-counting drum-cart".

张衡又是一位机械工程师，制造过能飞的“木雕”和能计算里程的“计里鼓车”等。

youdao

Now I'm walking again to the beat of a drum, and I'm counting the steps to the door of your heart.

现在我再度踩着鼓声的节奏前进，数着到你心门的步伐。

youdao