下降

下降	xià jiàng	to decline / to drop / to fall / to go down / to decrease
下	xià	down / downwards / below / lower / later / next (week etc) / second (of two parts) / to decline / to go down / to arrive at (a decision, conclusion etc) / measure word to show the frequency of an action
降	jiàng	to drop / to fall / to come down / to descend
降	xiáng	to surrender; to capitulate / to subdue; to conquer; to tame