Definition
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齿轮
chǐlún
齿轮是机械中用于传递动力和改变转速的圆形部件。
A gear is a circular component used in machinery to transmit power and alter the speed of rotation.
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这个机器的齿轮需要更换。
zhège jīqì de chǐlún xūyào gēnghuàn.
The gear of this machine needs to be replaced.
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齿轮的磨损会影响机器的运行。
chǐlún de mó sǔn huì yǐngxiǎng jīqì de yùnxíng.
Wear on the gear can affect the operation of the machine.
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他正在设计一个新的齿轮系统。
tā zhèngzài shèjì yīgè xīn de chǐlún xìtǒng.
He is designing a new gear system.