滑轮

滑輪
huálún
block and tackle

CEDICT

  1. block and tackle
  2. pulley

Wiktionary

一种外缘套有绳索或链带，能绕轴心旋转的圆轮，可用来牵引物体或传递动力。

重編國語辭典

Entry Composition

1 滑 huá
  1. to slip; to slide
  2. slippery; smooth
  3. sly; slippery; not to be trusted
2 轮 lún
  1. wheel; disk; ring
  2. steamship
  3. to take turns; to rotate
  4. classifier for big round objects: disk, or recurring events: round, turn