车速 chēsù vehicle speed
How to remember 车速: 车 car + 速 prompt = vehicle speed.
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How it is used
- Specifically the speed of a vehicle, used in traffic and driving contexts.
- 车速过快 (driving too fast/speeding), 限制车速 (speed limit), 控制车速 (control your speed).
- Different from plain 速度 (speed in general, any context) - 车速 is narrower, always about vehicles.
- Common on road signs, traffic reports, and driving instructions.