Level 1 · word 171 of 20,000

before

/bɪˈfɔːr/ American
  • prep. 在...之前
  • conj. 在...之前
Definition
  • prep. earlier than a particular time or event
  • conj. earlier than the time when something happens
Example
Wash your hands before you sit down to eat.
坐下吃饭前先洗手。