正弦形 zhèngxiánxíng sinusoidal Definitions Defs Origin Strokes Stroke Words Sentences Sents 正弦 zhèngxián sine (math) sine; one of the trigonometric functions, defined in a right-angled triangle as the ratio of the side opposite a given angle to the hypotenuse形 xíng nounaffix shape (bound form) shape; form; pattern; configuration
