expend

expend的音标是[ɪkˈspend]，基本翻译是“花费，消耗”，速记技巧是：ex-前缀，表示向外或向外移动，pend表示花费。

expend的英文词源：

词根：ex-（出）+ spend（花费）

expend的变化形式：

复数：expenditures

第三人称单数：expends

现在分词：expending

过去式：expended

过去分词：expended

相关单词：

expenditure：n. 支出，经费

inexpendable：adj. 不能消耗的，不可浪费的

disexpend：v. 浪费，滥用

self-expending：adj. 自耗的，自我消耗的

economicexpenditure：n. 经济支出

unexpendable fund：不需动用的资金

unexpended resources：未花费的资源

reexpenditure：n. 再支出，再花费

self-expending capital：自耗资本

expend的英文词源说明了其含义，即表示“花费”的意思。其变化形式和相关单词反映了其在不同语境下的使用和含义。其中，expenditure和unexpended fund等单词与经济、财政等主题相关，而disexpend、reexpenditure等单词则与浪费、再支出等行为相关。这些单词的使用和含义反映了英语词汇的丰富性和多样性。

常用短语：

1. expend energy

2. expend resources

3. expend money

4. expend time

5. expend effort

6. expend political capital

7. expend credibility

例句：

1. We must expend extra energy to complete this project on time.

2. The company has expended a lot of resources to expand its business in the new market.

3. We need to expend some money to purchase equipment for our research project.

4. I"ve been expending time on this project for months, but still haven"t made any progress.

5. The government is expending a lot of effort to improve infrastructure in rural areas.

6. We must expend political capital to ensure that our interests are protected in the upcoming negotiations.

7. His reputation has been expended after he made a controversial statement in public.

英文小作文：

标题：Expend vs. Invest

Expend and invest are both common words in English, but they have very different meanings when it comes to resources and money. Expend means to use something up, while invest means to put something into something else for the purpose of gaining something in return.

When it comes to time, we often expend it on activities that we enjoy or find meaningful, while investing it in education, career, or personal development. Similarly, when it comes to money, we often expend it on necessities or entertainment, while investing it in savings, stocks, or real estate.

In conclusion, expend and invest are two very different ways of using resources and money, and they have different effects on our lives and future prospects. Knowing the difference between them can help us make better decisions about how to use our resources and money.