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 air brake valve直通空气制动阀straight bore mozzle tip直膛水栓喷雾straight shank twist bit直柄麻花钻头straight two-beat kick直上直下两次打水straight-going traffic直行交通straight spur gear teeth直线正齿Straight Arrows Sequence直线型straight baseline system直线基线法straight blade bulldozer直刃推土机straight pulmonary clamp直形持肺钳