名 instrument for drawing circles，rule，regulation，[机]gauge；动 admonish，advise，plan，map out ；

[例句] 我们倾向于把维多利亚时代的人想象得非常古板、中规中矩。 We tend to imagine that the Victorians were very prim and proper.

[例句] 一把测径规 a pair of callipers