three

/θriː/ num.
标准词条 CET-4
一句话记住

三；三个

释义与例句

num. 三；三个
the number 3
  1. The course lasts three weeks and includes two practical sessions.
    这门课程持续三周，包括两次实践课。
  2. Three of the five applicants will be invited to an interview.
    五名申请人中有三人将获邀参加面试。
展开其余 1 条例句
  1. She has visited the museum three times this year.
    今年她已经参观这座博物馆三次了。

词源与构词

记忆钩子 three 表数量，third 表顺序；注意 three 以清辅音 /θ/ 开头，不要读成 /s/ 或 /t/。

词族与关联词

易混词（形近或义近，注意区别）
  • third 第三；第三个
    three 是基数词，表示数量“三个”；third 是序数词，表示顺序“第三”，也可作名词表示三分之一。三楼说 the third floor，而三个房间说 three rooms。
    Three runners finished together, but she was officially placed third. 三名选手同时冲线，但她被正式列为第三名。
常见搭配
  • three times 三次；三倍
    This box is almost three times heavier than that one. 这个箱子几乎是那个箱子的三倍重。
  • three of ……中的三个
    Three of my classmates are studying abroad this term. 我的同班同学中有三人这学期在国外学习。
  • three years old 三岁
    Their daughter learned to swim when she was three years old. 他们的女儿三岁时学会了游泳。