直角坐标 zhíjiǎozuòbiāo rectangular coordinates Definitions Defs Origin Strokes Stroke Words Sentences Sents 直角 zhíjiǎo noun right angle an angle of 90 degrees formed by two lines or surfaces that are perpendicular to each other坐 zuò opaque (segment carries no independent meaning) 标 標 biāo noun mark a mark; a sign; a label; a symbol
