Level 6 · word 15,493 of 20,000
pulley
/ˈpʊli/
American
- n. 滑轮
- Definition
- n. a wheel with a groove used with a rope to lift things
- Example
- We used a pulley to lift the heavy box to the roof.
- 我们用滑轮把沉重的箱子吊上了屋顶。
Word mapSimple machines