详细解释:n. 强拍, 下降, 低沉, 衰退
a. 悲观的, 低沉的
英语解释：
名词 downbeat:
the first beat of a musical measure (as the conductor's arm moves downward)详细解释：
down.beat
n.（名词）Music The downward stroke made by a conductor to indicate the first beat of a measure.【音乐】 强拍：乐队指挥向下的手势表示一个节拍的第一拍Informal A period of stagnation or inactivity.【非正式用语】 停滞：迟钝的或不活泼的期间adj.（形容词）Cheerless; pessimistic.忧郁的；悲观的