maintains

词形变化：

形容词: maintainable | 名词: maintainability | 动词过去式: maintained | 动词过去分词: maintained | 动词现在分词: maintaining | 动词第三人称单数: maintains |

同义词：

support | uphold | preserve | keep | hold | insist | keep up | assert | claim | sustain | continue | argue | save | possess | protect | bear | retain | look after | care for | take care of | guard | provide | profess | shoulder | settlement | justify | harbor | propose | nourish | own | befriend | conserve | back | exert | testify | asseverate | allege | affirm | wield | defend | store | observe |

反义词：

abandon |