three-quarters

基本解释

Dark energy makes up three-quarters of our Universe but is totally invisible. We only know it exists because of its effect on the expansion of the Universe.
暗能量占据了我们宇宙的四分之三，然而又是完全看不见的。我们只能根据它对宇宙膨胀所起的作用来认识到它的存在。
But volumes since then have been running at only about three-quarters of the norm from earlier in the year.
但自那以后，成交量就一直维持在今年早先正常水平的四分之三左右。
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But a proposal in 1978 to give them representation in Congress was not ratified by three-quarters of the states, and so failed.
但是1978年关于赋予他们在国会代表权的修正案未能得到四分之三的州通过，而没有生效。

and the Afghan government would reach out to. Vice President Biden says nearly three-quarters of the insurgents are mercenaries,not ideologues.
He spent at least two-thirds of his more than, about three-quarters of his time in the northern states.
他至少花费了他旅程的三分之二,可能不止,应该是他旅程的四分之三时间,周游于北方各州
耶鲁公开课 - 美国内战与重建课程节选
Well maybe three-quarters of you, a lot, that's a lot.
大概四分之三的人这么认为,这已经很多了
耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That includes three-quarters of Republicans, nine in 10 Democrats and more than eight in 10 independents.
NPR: Democrats to Push for Medicare Changes

Three-quarters is an amount that is three out of four equal parts of something. 3/4
Three-quarters is also a pronoun. 3/4
Three-quarters is also an adverb. 3/4