1、通常的英语：usually 读法：英 [juːʒʊəl] 美 [juʒuəl]。

2、我通常在午休时间去健身房。I usually go to the gym during my lunch hour。

3、离婚后通常是母亲拥有孩子的监护权。The mother is usually the custodial parent after a divor。

4、经常的英语：often。英 [ˈɒfn] 美 [ˈɔːfn]。

5、人们经常谈到两者的相似之处。The similarities between the two have often been remarked on。

6、这种疾病经常潜伏多年而不被察觉。The disease often goes/ remains undetected for many years。