n. (geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
n. the product of two equal terms
n. something approximating the shape of a square
n. someone who doesn't understand what is going on
n. 正方形, 街区, 广场, 平方, 直角尺
a. 正方形的, 正直的, 公正的, 平方的, 方正的, 结清的
adv. 成直角地, 对准地
vi. 一致, 符合, 结清
vt. 使成方形, 使平方自乘, 调正, 结清, 使一致