noun
wheel
/hwi:l/
wheel 是什么意思
轮子，车轮，轮，方向盘
A simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines) forces that provide energy and direction a circular helm to control the rudder of a vessel change directions as if revolving on a pivot.
词性
noun
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