1
number + dollar(s)
数字后接dollar，复数时加-s。
She paid ten dollars for the book.
她为这本书付了十美元。
美元；元
先理解核心含义，再看它在真实句子里的用法。
美元；元
the basic unit of money in many countries, equal to 100 cents
She paid ten dollars for the book.
她为这本书付了十美元。
也指加拿大、澳大利亚等国的货币单位
世界部分地区货币的官方名称,包括加拿大、美国、澳大利亚、新西兰、新加坡、香港等,符号为$。
Official designation for currency in some parts of the world, including Canada, the United States, Australia, New Zealand, Singapore, Hong Kong, and elsewhere. Its symbol is $.
泛指金钱
Money generally.
反应性单位,等于缓发临界与瞬发临界之间的间隔
A unit of reactivity equal to the interval between delayed criticality and prompt criticality.
The book costs ten dollars.
这本书要十美元。
I found a dollar on the street.
我在街上捡到了一美元。
They save every dollar for their vacation.
他们为度假存下每一美元。
数字后接dollar，复数时加-s。
She paid ten dollars for the book.
她为这本书付了十美元。
指美元货币或汇率。
The dollar strengthened against the euro.
美元对欧元升值了。
dollar作定语，修饰名词。
He found a dollar bill on the street.
他在街上捡到一张一美元纸币。
Not this
I have five dollar.
Use this
I have five dollars.
美元是可数名词，当数量大于1时需用复数形式dollars。
Not this
He gave me dollar.
Use this
He gave me a dollar.
美元是可数名词单数，前面需要不定冠词a或数量词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
强势美元
The strong dollar hurts exports.
强势美元损害出口。
美元符号
Please put a dollar sign before the amount.
请在金额前加美元符号。
美元纸币
He handed me a crumpled dollar bill.
他递给我一张皱巴巴的美元纸币。
美元
The US dollar is the world's primary reserve currency.
美元是世界上主要的储备货币。
一元店
I bought this mug at the dollar store.
我在一元店买了这个杯子。
感觉非常好
After a good night's sleep, I feel like a million dollars.
睡了一晚好觉后，我感觉非常好。
万能的金钱
He cares only about the almighty dollar.
他只关心万能的金钱。
眼里只有钱
When she heard about the bonus, she had dollar signs in her eyes.
当她听到奖金的事时，她眼里只有钱。
感觉非常好
After a good night's sleep, I feel like a million dollars.
睡了一晚好觉后，我感觉非常好。
我需要一美元，一美元正是我需要的
When I heard the song 'I Need a Dollar', I thought about how many people struggle to make ends meet.
当我听到歌曲《我需要一美元》时，我想到了有多少人为了维持生计而挣扎。
美元美元钞票啊
The O'Jays' song 'For the Love of Money' features the famous line 'Dollar dollar bill y'all'.
O'Jays的歌曲《为了爱钱》中有一句著名的歌词'美元美元钞票啊'。
Use dollar naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 'dollar' 与 '多了' 音近，美元多了就是财富多了。
中性，常用于金融、商业及日常交易
可数名词：美元、元（货币单位）
Dictionary facts from ECDICT, WIKTIONARY.