美国留学选择什么专业好?留学美国热门专业推荐
2019-06-26
更新时间:2024-04-18 11:42作者:小编
推动器是指能够产生推力的装置,常用于航空航天领域,用来推动飞行器或航天器前进。它可以是一种发动机,也可以是一种推进器。在工程学中,推动器也可指任何能够产生运动或改变物体运动状态的装置。
读音:/prəˈpelər/
例句1:The propeller on the airplane is responsible for generating thrust to move the aircraft forward.
例句2:The rocket's propeller was damaged during takeoff, causing it to lose power and fall back to Earth.
火箭的推进器在起飞时受损,导致失去动力并坠落回地球。
例句3:The ship's propellers were clogged with seaweed, slowing down its speed.
例句4:The new submarine is equipped with advanced propellers that allow it to move silently through the water.
这艘新潜艇配备了先进的螺旋桨,使其能够在水中静默移动。
例句5:The windmill's propeller spins in the breeze, converting wind energy into electricity.
同义词及用法:
1. Thruster(名词):指产生推力的装置,常用于航空航天领域。
例句:The thrusters on the spaceship were activated to adjust its trajectory.
2. Engine(名词):指产生动力的装置,可用于推动器或其他机械设备。
例句:The car's engine roared as it accelerated down the highway.
3. Motor(名词):指产生运动的装置,可用于推动器、机械设备或电子设备。
例句:The boat's motor broke down in the middle of the lake, leaving them stranded.
4. Jet(名词):指产生高速气流的装置,常用于喷气式发动机。
例句:The jet engines on the plane provided enough thrust for takeoff.
编辑总结:
推动器是一种能够产生推力的装置,常用于航空航天领域。它可以是一种发动机或推进器,用来推动飞行器或航天器前进。在工程学中,推动器也可指任何能够产生运动或改变物体运动状态的装置。同义词包括Thruster、Engine、Motor和Jet。