1. 下降的;向下的
A downward movement or look is directed towards a lower place or a lower level.
e.g. ...a firm downward movement of the hands.
双手有力的向下摆动
2. 趋向没落的;衰退的;局势变坏的
If you refer to a downward trend, you mean that something is decreasing or that a situation is getting worse.
downward的解释
e.g. The downward trend in home ownership is likely to continue.
拥有房屋所有权者人数减少的趋势可能会持续。
e.g. ...a decline in the economy, resulting in a general downward spiral.
经济上的衰退导致了总体上的螺旋式下降。