七的英文

实用例句

• 他要养活自己的七个孩子，更不必说还有妻子和父母了。
  He had to support his seven children, to say nothing of his wife and parents.
• 三的立方是二十七。
  Three cubed is twenty-seven.
• 世界上有七大洲。
  There are seven continents in the world.
• 二加五等于七。
  Two plus five is seven.
• 家里现在乱七八糟。
  Everything is at sixes and sevens in the house.
• 七减三等于四。
  Seven minus three equals four.
• 上大学时，我有七个室友。
  I have seven roommates in my university.
• 有些昆虫一年产七八次卵。
  Some insects produce seven or eight broods a year.