slowness

['sləunis]

n. 缓慢, 迟钝

例句与用法：

Slowness of the heart rate, usually fewer than60 beats per minute in an adult human being.

心搏缓慢心律缓慢，通常指成人心跳低于60次每分钟

详细释义：

n.

缓慢; 迟钝[U]

The slowness of her progress discouraged her.

她进步缓慢, 使她很沮丧。