单词	roentgn ray
释义	roentgn ray X射线
随便看	touch dancing touch device touch display touch dome touch-down touchdown touch down touchdown and liftoff area touchdown attitude touchdown dance touchdown dances touch-down dispersion touchdowner touch down point touchdown runway visual range touchdown runway visual range (rvr) touchdowns touch-downs touchdown sinking speed touchdown speed touch down speed touchdown velocity touch-down zone touchdown zone touch-down zone elevation 吐半节儿，吞半节儿吐口唾沫一个丁吐口唾沫是个钉儿吐口唾沫脸上揩掉吐口风吐唾沫落地是钉儿吐坏水儿吐字要清晰流畅吐岭乍分规，临波已澄练。吐故纳新。針釣釤釦釧釩釵釷釹釺