英语词汇back-to-back angle怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
Lie down on your couch and scoot around until your back is on the cushions and your legs are resting on the seat back, at a 90 degree Angle to your waist.
躺在沙发上，后背靠着坐垫，腿搁在椅背上，保持到腰90度的角度。
2
Not all smooth surfaces reflect photons back to us, even though, technically, they should bounce back at the same Angle at which they hit the surface.
并非所有的光滑的表面都能将光子反射到我们的眼睛，即使从技术上讲，它们是能以击中表面的同样的角度反射回来的。

单词	back-to-back angle
释义	back-to-back angle 简明释义双角摇杆背贴角钢专业释义 1 土木建筑工程背对背拼合角钢 2 交通运输工程双角摇杆背贴角钢双语例句 1 Lie down on your couch and scoot around until your back is on the cushions and your legs are resting on the seat back, at a 90 degree Angle to your waist. 躺在沙发上，后背靠着坐垫，腿搁在椅背上，保持到腰90度的角度。 2 Not all smooth surfaces reflect photons back to us, even though, technically, they should bounce back at the same Angle at which they hit the surface. 并非所有的光滑的表面都能将光子反射到我们的眼睛，即使从技术上讲，它们是能以击中表面的同样的角度反射回来的。
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