单词	rectangle
释义	rectanglerectangle /ˈrɛkˌtæŋgəl/ ●●● noun [countable] Etymology ETYMOLOGYrectangle Origin: 1500-1600 Medieval Latin rectangulus having a right angle, from Latin rectus right + angulus angle math, geometry a shape that has four straight sides, two of which are usually longer than the other two, and a 90° angle inside each of the four corners → square [Origin: 1500–1600 Medieval Latin rectangulus having a right angle, from Latin rectus right + angulus angle]
随便看	Revolution of 1905, the revolve revolver revolving revolving credit revolving door revue revulsion revved up reward rewarding rewind rewire reword rework rewrite Reykjavik RFD rhapsodic rhapsodize rhapsody Rhea rheme rheostat Rhesus factor

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