滑輪

滑轮
huálún
block and tackle

CEDICT

  1. block and tackle
  2. pulley

Wiktionary

一種外緣套有繩索或鏈帶，能繞軸心旋轉的圓輪，可用來牽引物體或傳遞動力。

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 輪 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