once (EN)
副詞、接続詞

副詞 “once”

once
  1. 一度
    She has visited Paris once in her life.
  2. かつて
    She once lived in Paris before moving to New York.
  3. 一度も
    He didn't look up from his book once during the entire meeting.
  4. 一回
    Once five is five.

接続詞 “once”

once
  1. いったん
    Once the rain stops, we can go outside to play.