词汇	正該
释义	正該 zhèng gāi表示理所當然。正該如此。
随便看	down ward length of bucket chain downward light output ratio downward light output ratioof a luminaire downward line downward Loewenheim-Skolem theorem downward logic-transition downward looking downward-looking cup-type packer downward looking infrared downward-looking infrared downward-looking laser line scanner Downward-looking scene matching downward Lowenheim-Skolem theorem downwardly downwardly inclined pipe downwardly mobile downward machines downward market downward mining downward mobile formwork downward mobility downwardmodulation downward modulation downward motion downward move