Level 5 · word 9,320 of 20,000

onlooker

/ˈɔːnˌlʊkər/ American
  • n. 旁观者
Definition
  • n. a person who watches something happening without taking part
Example
An onlooker called for help when he saw the accident.
一名旁观者看到事故后大声呼救。