词汇	to roll
释义	to roll 颠簸
随便看	directly utilization of drain directly varuing cost directly viewed infrared image tube directly visible area directly wafer bonding directly welded shs joint directly-wound roving Direct Machine Environment direct machine parameter optimization direct macroradiography direct magnetic field direct magnetic pulse forming process direct magnetic recording direct magnetizing effect direct magnetostriction effect direct magnification angiography direct mail direct materials cost variance direct materials mix variance direct-mail directmailadvertising direct mail advertising direct-mail advertising Direct Mail Association of China direct mailer