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yesterday (EN)
副詞、名詞

副詞 “yesterday”

yesterday (more/most)
  1. 昨日(きのう)
    I lost my keys yesterday and found them under the couch this morning.
  2. 早急に(さっきゅうに)(昨日のように急いで行うべきことを表す)
    When should we do it? Yesterday.

名詞 “yesterday”

単数形 yesterday、複数形 yesterdays または不可算
  1. 昨日(きのう)
    Yesterday was so sunny compared to today's rain.
  2. 過去(かこ)(比喩的に、もはや現代的でない過去の時を指す)
    In this fast-paced world, dial-up internet is yesterday's technology.