straight edge

基本解释

This product applicable to the grinding of glass double-straight edge.
本产品适用于磨削玻璃双直边。
The relationship between critical climb distance and temperature of straight edge dislocation was discussed.
讨论了直刃位错临界攀移距离和温度的关系，指出了表面上相对稳定的位错组态。
Straight edge: The miracle fruit (Synsepalum dulcificum), native to West Africa, contains a glycoprotein called miraculin that binds to taste receptors on the tongue and makes sour foods taste sweet.
神秘果：一种原产于西非的水果，内含一种叫神秘果蛋白的糖蛋白。神秘果蛋白结合在味蕾上以后，吃酸的东西也感到是甜的。
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Of course, not everyone is going to do like Terry and replace their disposable razors with a vintage straight-edge razor, but her book is full of easy tips that even the laziest environmentalist could implement, and she goes far beyond the usual bag and bottle tips, too.
FORBES: 5 Easy Ways To Kick The Plastic Habit

an object such as a ruler or a piece of wood, used for drawing or checking straight lines
having an edge that is straight rather than curved or irregular
having a way of life that does not involve doing anything considered to be unhealthy or immoral

a stiff strip of wood or metal that has one edge straight and true and is used for ruling and testing straight lines