straight up(用于提问和回答问题)直率地； 真实地straightadj.直的；坦率的；正直的；准的；连续的；异性恋的adv.笔直地；直接；坦率地；连续不断地n.直的东西；传统的人；异性恋者straight-going bicycle直行自行车straight-line knurling直线滚花straight-forward trunk直通式中继线straight line production直线生成straight shank tager tap直柄螺母丝锥straight wire appliances直丝弓矫治器straight leaded gasoline直馏加铅汽油straight-line distance直线距离straight-backed chairs直背椅straight run cold rubber无油低温丁苯胶