词汇	cerium metal
释义	cerium metal 化学铈土金属
随便看	command register circuit command reject command rejection command relation command relationship command relationships Command Relationship Study command relay circuitry command relief command remote control command remote control system command repetifion rate command repetition sending command-reply transaction command reporting center Command Reporting Post Command Representative command resolution commandrespect command respect command response command/response command response parameters command responsibility commandress