Word
one-half
/ˈwʌnhˈɑːf/
noun
一半;二分之一
one of two equal parts; 1/2
- 1.
One of two equal parts (1/2, 1⁄2, 0.5).
二分之一。
二分之一。;二分之一
In use
The recipe requires one-half cup of sugar.
One-half of the students passed the exam.
She divided the cake into two equal pieces and gave him one-half.
one-half of [noun]
后接名词短语,表示某物的二分之一。
He ate one-half of the pizza.
他吃了比萨饼的二分之一。
one-half [measurement noun]
用于度量单位前,相当于‘半’。
Add one-half teaspoon of salt.
加入二分之一茶匙盐。
be one-half of [noun]
The cost is one-half of the original price.
成本是原价的二分之一。
Common mistakes
The recipe calls for one half cup of sugar.The recipe calls for one-half cup of sugar.
当“one-half”作为复合形容词修饰名词时,应使用连字符连接,表示“二分之一的”。
I have one-half of the apples, and you have the other half.I have half of the apples, and you have the other half.
在非修饰名词的独立使用中,表示“一半”通常直接用“half”即可,用“one-half”显得冗余且不自然。
Connections
Confusing words
- half
- 一半 · half 可指整体的一半,而 one-half 是精确的分数二分之一,在数学或正式文体中应使用 one-half。
- one and a half
- 一又二分之一 · one and a half 表示1.5,而 one-half 是0.5,二者数值不同。
Word family
- half
- 一半;二分之一 · half
- halves
- 两半;(half 的复数) · half + -es (f→v)
- halfway
- 半途;在中途 · half + way
- half-price
- 半价的;以半价 · half + price
Learner notes
Grammar Note
通常用作单数,但逻辑上可数
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.