noun🔗Share转速表 A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile."The driver glanced at the tachometer to make sure the engine's RPMs were not too high. "司机看了一眼转速表，确保发动机的转速没有过高。devicemachinevehicletechnologyelectronicstechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share转速表，速度计 A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc."The mechanic checked the car engine's speed using a tachometer. "技工用转速表检查了汽车发动机的转速。devicemachinetechnicalelectronicsvehiclephysicsscienceChat with AIVocabulary GamePractice Reading
