tachographWiktionary 原文/ˈtækəɡræf/构词拆解tachotacho-前缀graph-graph后缀tacho-speed, velocity-graphthat writes · (metonymic) that is written词源说明From tacho- + -graph.释义名词noun1A device that records the distance and time traveled by a vehicle (especially a truck or coach), used to check the drivers' working time.同族词派生词 1