单词	complementary angles
释义	complementary angles pl.n. Two angles whose sum is 90°. complementary angles Angles AOC + COB = 90°.
随便看	detribalization detribalize detriment detrimental detrimentally detrital detrition detritivore detritus Detroit de trop detumescence detumescent Deucalion deuce deuce deuced deus ex machina deut- Deut. deut- deuter- deuter- deuteragonist deuteranope

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