He was walking down the road one dusky Friday evening.在一个漆黑的周五夜晚他沿路走着。The mountains were just visible, dusky and black.黑黝黝的山朦胧可辨。the dusky light inside the cave洞中昏暗的光线The tabloids reported that he had been seen with a du...
混凝土由水泥 、 砂、石子与水掺和而构成.Concrete is composed of cement, sand and gravel mixed with water.两种液体在掺和器里均匀了一下.The two liquids homogenised in the blender.两种液体在掺和器里均匀了一下。The two liquids homogenized in the blender....
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....