n.螺旋桨(飞机或轮船的推进器)

原形：propeller复数：propellers

This propeller blade has been mounted.
推进器的叶片已经安装好了。
We were driven by propellers at the back rather than paddles.
我们不再使用船桨，而是靠船后面的螺旋桨驱动。
You could hear the beat of its propeller, churning the waves with steady speed.
你听到它的推动器快速有规律地拍打着水波的声音。
The propeller on the boat churned up the water as it propelled us forward.
船上的螺旋桨搅动着水面，推动我们向前行进。
The airplane's propeller started spinning rapidly before takeoff.
飞机起飞前，螺旋桨开始快速旋转。
He adjusted the pitch of the propeller to optimize fuel efficiency.
他调整了螺旋桨的螺距以优化燃油效率。
The damaged propeller caused the boat to vibrate excessively during operation.
损坏的螺旋桨导致船只在运行时过度振动。
The inventor showed off his new propeller design, claiming it would revolutionize aviation.
这位发明家展示了他新设计的螺旋桨，声称它将彻底改变航空业。
They had to replace the entire propeller assembly after it hit a submerged log.
螺旋桨撞击到水下的原木后，他们不得不更换整个螺旋桨组件。
The ship's propellers created a visible wake behind it in the calm sea.
在平静的海面上，船的螺旋桨在船后形成了明显的航迹。
The drone's propellers produced a high-pitched whirring sound as it took off.
无人机起飞时，螺旋桨发出了高亢的嗡嗡声。
Proper maintenance of the propeller is crucial for ensuring safe and efficient vessel operation.
对螺旋桨进行适当的维护对于确保船舶安全高效运行至关重要。
The submarine's silent electric propellers allowed it to navigate undetected through enemy waters.
潜艇的静音电动螺旋桨使其能够在敌方水域中不被发现地航行。