英語 · 単語

a

1つの

意味

• 限定詞 · A1

  Used before a singular countable noun starting with a consonant sound to refer to one thing or person that is not specific.

  I need a pen to write this down.

• 限定詞 · A2

  Used before a unit of time or measurement to mean each or every.

  She exercises three times a week.