1、下降
a decline » 下降 the rabbit has told them something without making a sound » 兔子已告诉他们一些事情没发出一点声音 ..
In A Market Decline在市场下挫
shows a linear decline呈线性下降
suffer a disastrous decline一落千丈;江河日下;原形容琴声由高而低突然变化
A Person Decline一个人衰败
a small decline下降幅度很小
a ual decline rate年递减率
a gradual decline稍降
suffer a drastic decline一落千丈