estimate sth
estimate 后直接跟名词作宾语,表示估算某事物的数量或价值。
We need to estimate the cost before we start.
我们需要在开始之前估算成本。
估算;估计
estimating — present participle of estimate
评估;估价;粗略计算,通常基于不完美的数据;根据不完整的数据判断和形成价值的看法;评价
粗略计算,通常基于不完美的数据
To calculate roughly, often from imperfect data.
根据不完整的数据判断和形成价值的看法
To judge and form an opinion of the value of, from imperfect data.
一般现在时
She estimates the cost to be around $500.
她估计成本大约500美元。
一般过去时
They estimated the distance incorrectly.
他们错误地估计了距离。
估计;估算
The contractor estimated the cost of the renovation at $15,000.
承包商估计翻新费用为15000美元。
用法提示:此处estimate用作动词,表示对成本进行推测或估算。
Scientists estimate that the population of tigers has declined by 95% over the past century.
科学家估计,老虎的数量在过去一个世纪里减少了95%。
用法提示:此处estimate用作动词,后接that从句,表示对数量变化的判断。
Can you estimate how long it will take to drive to the airport?
你能估计一下开车到机场需要多长时间吗?
用法提示:此处estimate用作动词,表示对时间进行粗略计算。
estimate 后直接跟名词作宾语,表示估算某事物的数量或价值。
We need to estimate the cost before we start.
我们需要在开始之前估算成本。
用 that 引导的从句说明估算的具体内容,that 常可省略。
Experts estimate that the project will take two years.
专家估计这个项目将需要两年时间。
at 后面接具体的数字或金额,表示估算得出的结果。
They estimated the damage at one million dollars.
他们估计损失达一百万美元。
常用被动结构 be estimated to be,表示对某事物状况的估计。
The building is estimated to be over 200 years old.
这座建筑估计有两百多年历史。
grammar · medium
易错句子The project estimates to take three months.
正确表达The project is estimated to take three months.
estimate 表示“估算”时是及物动词,动作的发出者必须是人或机构,而 the project 只能是被估算的对象,不能自己“估算”。所以要用被动结构 be estimated to do,表示“据估算将会……”。
grammar · medium
易错句子I estimate to finish the report by Friday.
正确表达I estimate that I will finish the report by Friday.
estimate 后面不能接不定式作宾语,它常见的搭配是 estimate + that 从句或 estimate + 名词(如 estimate the cost)。要表达“估计自己会做某事”,须用 that 从句,把将来的动作放进从句里。
grammar · medium
易错句子The estimate cost of the repair is 2,000 yuan.
正确表达The estimated cost of the repair is 2,000 yuan.
名词前作定语要用形容词性的过去分词 estimated,意思是“估算出来的”;estimate 是动词原形,不能直接放在名词前修饰名词。
估算成本
We need to estimate the cost before starting the project.
我们启动项目之前需要估算成本。
估计数量
Can you estimate the number of people at the concert?
你能估计一下音乐会上的人数吗?
估计时间
It's hard to estimate the time the journey will take.
很难估计这段旅程所需的时间。
评估价值
Experts estimated the value of the painting at over a million dollars.
专家们评估这幅画的价值超过一百万美元。
粗略估计
The damage was roughly estimated at $50,000.
损失被粗略估计为五万美元。
-mate
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-mate
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estim(评估;价值)+ -ate(动词后缀)
estim(评估;价值)+ -ation(名词后缀)
under-(不足)+ estim(评估)+ -ate(动词后缀)
over-(过度)+ estim(评估)+ -ate(动词后缀)
通过调查收集数据,为估算提供依据。
从总体中抽取样本,用于推断和大致估算。
基于现有数据和趋势对未来的估算。
测量提供具体数据点,估算常在此基础上进行。
统计数据和指标常用于支持估算的准确性。
我生来就是一位估算先知。
It is difficult to estimate the total cost of the project.
很难估算这个项目的总成本。
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估算距离
She estimated the distance to the station at two miles.
她估计到车站的距离为两英里。