单词	R2
释义	R2 [=fairly good risk]稍有危险
随便看	single stage to orbit (ssto) single stage torque converter single-stage turbine single stage turbine single stage turbo-charger single-stage turbocharger single-stage turbocharging single stage twin element ejector single-stage two speed supercharger single stage two speed supercharger single stage type single-stage valve singlestage vehicle single stage vehicle single-stage voltage regulator single stain single stall single stamp mill single stand single standard singlestandard single standard seam single-stand mill single stand mill single-stand reversing cold-reduction mill 渫渫2 測渭渭1 渭2 渭3 渭4 渭川千亩渭浊泾清場場堵堵堵击堵卡堵嘴堵噎堵塞堵心