時じ速そくじそくCommon word›JLPTN2›Freq.FrequencyTop 20,000じ字FuriganaMeanings1nounspeed per hour; hourly speedUsed to express speed in units per hour, e.g., kilometers per hour (km/h). Often followed by a number and unit.この車くるまの最さい高こう時じ速そくは200キロです。