monsoon

1. N-COUNT The monsoon is the season in Southern Asia when there is a lot of very heavy rain. (南亚地区的) 雨季

...the end of the monsoon. …雨季的结束。

2. N-PLURAL Monsoon rains are sometimes referred to as the monsoons. 雨季的降雨

In Bangladesh, the monsoons have started. 在孟加拉国，雨季已经开始。