v. cause to move forward with force
vt. 推进, 驱使
[机] 推进
1. The engine will propel the boat across the water.
引擎将推动船只在水面上航行。
2. She used the wind to propel her kite higher into the sky.
她利用风将风筝推得更高。
3. The rocket is designed to propel astronauts into space.
这枚火箭旨在将宇航员送入太空。