demand

ask, demand, inquire, question

ask, beg, demand, require, request, implore, claim, pray, entreat

名词 demand:

1. the ability and desire to purchase goods and services
2. an urgent or peremptory request
3. a condition requiring relief
   同义词：need
4. the act of demanding
5. required activity
   同义词：requirement

动词 demand:

1. request urgently and forcefully
2. require as useful, just, or proper
   同义词：necessitate, ask, postulate, need, require, take, involve, call for
3. claim as due or just
   同义词：exact
4. lay legal claim to
5. summon to court
6. ask to be informed of

1. Good secretaries are always in demand.
   好的秘书总是很多人都需要的。
2. Do you think the President will give in to the terrorists' demand?
   你认为总统会对恐怖分子的要求让步吗？
3. I demand an apology.
   我要求道歉。
4. These developments have created a great demand for home computers.
   这些发展促使家用电脑的需求量增大。
5. This work demands your immediate attention.
   这件工作急需你立即处理。

de.mand

v.（动词）
de.mand.ed,de.mand.ing,de.mands
v.tr.（及物动词）
To ask for urgently or peremptorily:
迫切要求，急切要求：
例句：
demand an investigation into the murder; demanding that he leave immediately; demanded to speak to the manager.
强烈要求调查这起谋杀案；强令他立即离开；要求同管理者说话

To claim as just or due:
要求收回：公正地或适当地宣称：
例句：
demand repayment of a loan.
要求偿付贷款

To ask to be informed of:
要求知道：请求被告知：
例句：
I demand a reason for this interruption.
我想知道这次中断的原因

To require as useful, just, proper, or necessary; call for:
（合理）要求：认为有用、公正、正确、恰当或必需而提出要求；要求：
例句：
a gem that demands a fine setting.
宝石要配精美的戒台

Law
【法律】
To summon to court.
传讯出庭
To claim formally; lay legal claim to.
合法要求：正式地要求；合乎法律的要求
v.intr.（不及物动词）
To make a demand.
需求，请求，要求：提出要求
n.（名词）
The act of demanding.
要求：要求的行为
Something demanded:
需求事物：需要的事物：
例句：
granted the employees` demands.
满足雇员的需求

An urgent requirement or need:
急需：迫切的要求或需要：
例句：
the heavy demands of her job; the emotional demands of his marriage; an increased oxygen demand.
她工作的高强度要求；他婚姻上的情感要求；增长的氧气需求

The state of being sought after:
追求：处于被追求、被追逐的境地：
例句：
in great demand as a speaker.
作为一个演说家受到大家的热烈欢迎

Economics
【经济学】
The desire to possess a commodity or make use of a service, combined with the ability to purchase it.
需求，请求，要求：拥有一种商品或使用一种服务的要求，与购买力密切相关
The amount of a commodity or service that people are ready to buy for a given price:
需求量：人们在给定的价格下准备购买的某种商品或服务的数量：
例句：
Supply should rise to meet demand.
增加供给以满足需求

Computer Science A coding technique in which a command to read or write is initiated as the need for a new block of data occurs, thus eliminating the need to store data.
【计算机科学】 需求：当发生对新数据块的需求时，产生一个读或写命令的编程技巧，它可以减少数据存贮的需求
Law A formal claim.
【法律】 正式的请求
Archaic An emphatic question or inquiry.
【古语】 询问请求：坚决的询问或探求

<习惯用语>on demand
When presented for payment:
即期票据：见票即付的票据，：
例句：
a note payable on demand.
一张见票即付的票据

When needed or asked for:
有求必应：处于被需要或被请求的时刻：
例句：
fed the baby on demand.
无微不至地照料婴儿

来源：
Middle English demanden
中古英语 demanden
from Old French demander [to charge with doing,]
源自 古法语 demander [索要]
and from Medieval Latin dômand3re [to demand]
并源自 中世纪拉丁语 dômand3re [要求]
both from Latin [to entrust]
都源自 拉丁语 [托付]
dô- [de-]
dô- [前缀，表.否定，相反.]
mand3re [to entrust] * see man- 2
mand3re [托付，委托] *参见 man- 2

【引伸】
demand.able
adj.（形容词）
demand.er
n.（名词）
<参考词汇><同义词>demand,claim,exact,requireThe central meaning shared by these verbs is .to ask for urgently or insistently.:
这些动词所共有的中心意是.迫切地或坚决地要求.：
例句：
demanding better working conditions;
要求良好的工作条件；

例句：
claiming repayment of a debt;
要求偿还债务；

例句：
exacted obedience from the child;
要求孩子服从；

例句：
tax payments required by law.
法律规定的税款偿付