once
/wʌns/
/wʌns/
释义
adverb一次；曾经，一度；立即，马上；同时；仅此一次；再次，再一次；一两次，几次；（用于儿童故事的开头）从前，很久以前
conjunction一…就，当…的时候
英英释义
adverbone time
adverbat some time in the past
adverbimmediately
adverbat the same time
adverbthis time only
adverbagain; one more time
adverba few times; not often
adverb(used at the beginning of a children’s story) a long time ago
conjunctionas soon as; when
场景例句
- I’ve only been to Spain once.
- He phones us once a week (= once every week).
- This house was once a school.
- Come here at once!
- I can’t do two things at once!
- For once I agree with you.
- Can you explain it to me once more?
- I’ve only met them once or twice.
- Once upon a time there was a beautiful princess …
- Once you’ve finished your homework you can go out.
词态变化
once
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