maintain的解释，在云词典中maintain是什么意思？

在线拼音输入加入收藏

maintain

[men'tein]
vt.
维持, 维修, 继续, 供养, 主张

A body of persons making up such a department, trained in methods of law enforcement and crime prevention and detection and given the authority to maintain the peace, safety, and order of the community.
警察组成这样一个部门的一群人，他们被专门训练来掌握执行法律和防止并侦破犯罪行为的方法，被授予维护一个社区的和平、安全和秩序的职权
A device consisting of a spinning mass, typically a disk or wheel, mounted on a base so that its axis can turn freely in one or more directions and thereby maintain its orientation regardless of any movement of the base.
陀螺仪一个旋转物体，通常是圆盘或轮子安装在一个底基上，它的轴可以自由地朝一个或多个方向旋转，使所指方向不随底基的运动而改变
A device that brings about and helps maintain equilibrium.
平衡器可以帮助达到平衡或保持平衡的装置
A flight garment worn by astronauts and jet pilots that presses on the lower body to maintain the blood supply to the brain during rapid vertical acceleration.
抗荷衣宇航员或喷气机飞行员穿的飞行服，在快速垂直加速中增加身体下部的压力以保持脑部血液供应
A gearing mechanism of a motor vehicle engine that reduces the power output required to maintain driving speed in a specific range by lowering the gear ratio.
（汽车的）超速档机动车辆的一种齿轮装置，通过降低齿轮比率来减少为将车速保持在一定范围内而需要的输出力
A substance believed to maintain life indefinitely.
长生不老药被认为可以使生命无限的物质
A warden employed to maintain and protect a forest or other natural area.
国有森林员保护和维持森林等自然地貌的雇佣的看护人
A worker employed to maintain or inspect railroad tracks.
巡道工，护路员受雇保养或巡查铁道的工人
Afraid our sale at sacrifice inevitable maintain minimum business presently imperative.
牺牲销售恐所难免，但维持最起参政的交易，在目前还是必要的。
An attempt to convey or maintain the appearance of refinement and elegance.
假派头试图表达或保持优雅和得体的外表的努力