Three and seven make(s) [equal(s), is, are] ten.
３＋７＝１０
three bearings (in) a year
年３回の収穫
three billion
３０億
three changes of clothes [underwear]
着替え［下着の着替え］３組
Three cheers for the President!
大統領のために歓呼三唱（◆Hip，hip，hurray [hooray, hurrah]!と３度言う）
three consecutive days
３日連続
three days [months] after ...
…して３日［月］後に
Three days later the stock market crashed.
３日後市場は大暴落した
three doors down [up] the street
３軒先で
three dots
三つ点（◇文中の省略部分を示す；文末と重なる場合，((米))では四つ点を用いる）
