| 单词 | required |
| 释义 | required (once / 76 pages) adj Anything required is mandatory or needed. If something is required, it's not optional. You better do your required reading over the summer, or else... To require something is to demand it, like a restaurant requiring men to wear a jacket. Anything described as required is similarly demanded by some person or organization. A license is required to drive. A credit card is required to get a hotel room. A helmet is required in football. Sometimes this word is used more loosely. For example, a glass of water will be required for most people after a workout. That just means the water is needed. WORD FAMILYrequire: required, requirement, requires, requiring, requisition+/requirement: requirements/requisition: derequisition, requisitioned, requisitioning, requisitions USAGE EXAMPLESSome manufacturing companies are required to cut production and heavily polluting vehicles are banned from the roads. Washington Times(Jan 03, 2017) When authorities issue red alerts, some manufacturing companies are required to cut production and heavily polluting vehicles are banned from the roads. Seattle Times(Jan 02, 2017) “It’s ludicrous and arbitrary,” according to Devinsky, who says getting government approval for his epilepsy trial required dozens of hours of extra work. Washington Post(Dec 29, 2016) 1adj required by rule required reading Syn compulsory, mandatory obligatory morally or legally constraining or binding 2adj necessary for relief or supply Syn needed, needful, requisite necessary absolutely essential |
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