requires

词形变化：

形容词: requirable | 名词: requirer | 动词过去式: required | 动词过去分词: required | 动词现在分词: requiring | 动词第三人称单数: requires |

同义词：

demand | need | necessitate | want | command | oblige | compel | force | call for | involve | expect | order | have need of | entail | make | lack | take | claim | bind | obligate | specify | have | ask | beg | postulate | implore | pray | request | entreat |

反义词：

refuse |