Level 6 · word 14,527 of 20,000

blocker

/ˈblɑːkər/ American
  • n. 阻滞物, 阻断剂
Definition
  • n. a substance or thing that stops or slows something
Example
A fallen tree became a blocker on the narrow mountain road.
一棵倒下的树成了狭窄山路上的一处阻碍。