单词	double back
释义	请查阅词条：double
随便看	show one's cards show one's cards show oneself show oneself show oneself show oneself/itself show one's face show one's face show one's face at show one's hand show one's hand show one's/its face show one's teeth show one's teeth show one's true colours show one's true colours show one's (true) mettle show one the door show out show out showpiece showpieces showplace showplaces show/point/indicate the way 关联词关节关节炎关衔关说关连关里关键关键词关门 Schraubenfederberechnung Schraubenfederkupplung Schraubenfläche Schraubenflügel Schraubenflügelrührer Schraubenfutter Schraubenfuß schraubenförmig Schraubengang Schraubenganglenkung