★ demand
① n. 要求
a demand for higher wages加薪的要求
meet/satisfy the demands of the customers (= to give them what they are asking for)满足客户要求
（2014湖南）
Due to popular demand, a writing project will be started for eager beginners.
应公众的要求，一个为急切的初学者设立的写作项目即将开展。
② 需要;需求 the desire or need for sth.
In America the demand for oil has grown by 22 percent since1990.
1990年以来，美国对石油的需求增长了22％。
▲ in demand非常需要的;受欢迎的;
③ vt. (坚决)要求 to ask for sth firmly:
Taylor was able to demand very high pay for her movies.
泰勒能要求很高的片酬。
▲ demand to do sth
She demanded to see the manager. 她坚决要求见经理。
▲ demand that.(should)do sth
Her teachers demanded that she wear longer skirts.
老师要求她穿长一些的裙子。
④ vt.需要
This work demands care and patience.
这项工作需要细心和耐心。
★ demanding adj.
① (工作等)要求高的;费力的 needing a lot of effort, skill, care and so on
He decided to quit his highly-paid but demanding job recently.
最近他决定辞去那份高薪但要求极高的工作.
(2011四川) Though the book is short， it is demanding.
尽管这本书不厚，读起来却很费力。
② (人)要求严格的;苛求的
a demanding boss苛刻的老板
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