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 membrane module直线型膜组件straight bevel gear pair直齿锥齿轮付straight through manhole直通人孔straight-side core bit直孔空心钻头straight forward circuit顺向电路straight-wave restrain直达波抑制straight reduced asphalt直馏沥青straight-through joint直通连接,直接接头Straight-billed Hermitstraight carbon nanotube直纳米碳管