expended

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英 { "us": "", "uk": "" }
数据源: ai_enrichment
expended 是 expend 的过去式和过去分词,表示花费(金钱、时间或资源)或耗尽某物。

用法要点

句型搭配

常用于被动语态或完成时态,强调动作已完成,如 'have expended' 或 'was expended'。

• have expended all efforts
• was expended on the project

介词用法

常与 'on' 或 'in' 连用,表示花费在特定事物或活动上,如 'expended on resources' 或 'expended in doing something'。

• expended on marketing
• expended in preparation

语域说明

多用于正式或书面语境,如商务、学术报告,较少在口语中使用,日常对话中更常用 'spent'。

• expended in the budget report
• expended during the research

基础例句

I expended all my savings on that new phone.

我把所有积蓄都花在了那部新手机上。

She expended a lot of energy cleaning the house yesterday.

她昨天打扫房子耗费了很多精力。

We expended too much time on this project and need to move on.

我们在这个项目上花费了太多时间,需要继续前进了。

高级例句

The company expended significant resources on the new marketing campaign to boost sales.

公司在新营销活动上投入了大量资源以提升销售额。

In the experiment, all the fuel was expended within two hours, leading to a halt in operations.

在实验中,所有燃料在两小时内耗尽,导致操作停止。

The research team expended considerable effort in analyzing the data, which yielded valuable insights.

研究团队在分析数据上付出了巨大努力,这带来了宝贵的见解。

高频搭配

verb

have expendedhad expendedbe expended

adjective

fully expendedquickly expendedcarefully expended

noun

energy expendedfunds expendedtime expendedresources expended

adverb

rapidly expendedwisely expendedexcessively expended

preposition

expended onexpended inexpended for

phrase

expended all effortsexpended a lot of moneyexpended the last resources

常见错误

❌ 错误:I expended my money to buy a book.
✓ 正确:I spent my money on a book.

在口语或非正式语境中,'spent' 更常用;'expended' 通常用于更正式或强调资源耗尽的场合,搭配 'on' 而非 'to'。

❌ 错误:He expended all his time for studying.
✓ 正确:He expended all his time on studying.

'expended' 后应接 'on' 表示花费在某个活动上,而不是 'for',这是介词搭配错误。

近义词辨析

spent

'spent' 更通用,常用于日常对话,表示花费金钱或时间;'expended' 更正式,强调资源或精力的耗尽,多用于书面语。

I spent $50 on groceries. (日常) vs. The energy was expended in the marathon. (正式)

used up

'used up' 强调完全用光或消耗殆尽,语气更直接;'expended' 可能带有计划性或正式消耗的意味。

We used up all the paper. (强调用光) vs. Funds were expended on the project. (强调花费过程)