before
/bɪˈfɔː(r)/
/bɪˈfɔːr/
释义
adverb以前，过去
preposition在…以前；在…前面
conjunction在…以前；直到…才，到…之前
英英释义
adverbat an earlier time; in the past
prepositionearlier than somebody or something
prepositionin front of somebody or something
conjunctionearlier than the time when
conjunctionup to a certain time or event; until
场景例句
- I’ve never met them before.
- I’ve seen this film before.
- He arrived before me.
- Ellen worked in a hospital before getting this job.
- They should be here before long (= soon).
- B comes before C in the alphabet.
- I said goodbye before I left.
- It wasn’t long before she fell asleep.
词态变化
before
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