词汇	指掌
释义	指掌 zhǐ zhǎngfingers and palms
随便看	effective retarding force effective retarding force汽车的 effective retentivity effective Reynolds number effective Richardson constant effective right effective rights effective rigidity effective road profile effective road spectrum effective road-width effective rod radius effective roller length effective rolling depth effective rolling radius effective root density effective root directory Effective root rate effective roots density effective roots mass effective roughness effective rudder angle effective rule effective rules effective run time