单词	right angled
释义	right angleˈright ˌangle noun [countable] math, geometry 1 an angle of 90°, like the angles inside the corners of a square2at right angles (to something) if two things are at right angles, they make a 90° angle where they touch:  The aisles intersect at right angles.—right angled adjective:  a right-angled triangle
随便看	plasma membrane plasma screen plasma TV plasmid plaster plasterboard plaster cast plastered plasterer plaster of Paris plastic plastic art plastic bullet plastic explosive plasticity plastic surgeon plastic surgery plastic wrap Plata, Río de la plat du jour plate plateau plate boundary -plated plateful

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