英和辞典
  
thirty小A1
θə́ːrtiさ~ティ
名詞複thirtiesθə́ːrtizさ~ティズ
❶30, 30人[個]; 30歳さい; 30分[ドル, ポンドなど]
It's two thirty.
It's two thirty.
今2時30分です.
❷thirties で(年齢ねんれいの)30代; (世紀の)30年代  ⦣ thirty から thirty-nine まで.
He is in his late thirties.
He is in his late thirties.
彼は30代後半だ.
in the 1930s
in the 1930s (読み方: nineteen thirties)
1930年代に
形容詞
30の, 30人[個]の; 30歳で
thirty minutes
thirty minutes
30分
My brother is thirty (years old).
My brother is thirty (years old).
私の兄は30歳です.