入射角等于反射角.The angle of incidence equals the angle of reflection.冬季小入射角阳光的透射可以增加室内亮度.Low - angle winter sunlight penetration can give rise to glare.这种情况中的入射角是三十度.The incident angle in this case is 30 degree....
a systematic approach to solving the problem系统解决问题的办法The way he works isn't very systematic.他的工作不是很有条理.They went about their business in a systematic way.他们按部就班地做生意。...
Mother put a veto on our stayingout late.母亲不允许我们在外面呆到很晚才回来。There have been threats to veto any legislation that comes down the pike.他们威胁说要否决任何新出台的立法提案。The veto has been a traditional instrument of diplomacy for centuries...