monsoon

名词 monsoon:

1. a seasonal wind in southern Asia; blows from the southwest (bringing rain) in summer and from the northeast in winter
2. rainy season in southern Asia when the southwestern monsoon blows, bringing heavy rains
3. any wind that changes direction with the seasons

1. Heavy rains occur during a summer monsoon.
   暴雨出现在一个夏季季风期
2. The ship beat back against a monsoon.
   船逆着季风艰难地行驶。

mon.soon

n.（名词）
A wind system that influences large climatic regions and reverses direction seasonally.
季风：影响大面积地区的气候并随季节而改变风向的风

A wind from the southwest or south that brings heavy rainfall to southern Asia in the summer.
夏季季风：夏季从西南或南方吹来的并能给亚洲南部带来大量降雨的风
The rain that accompanies this wind.
季风雨：随风而来的雨

来源：
Obsolete Dutch monssoen
已废荷兰语 monssoen
from Portuguese monôôo
源自 葡萄牙语 monôôo
from Arabic mawsim [season]
源自 阿拉伯语 mawsim [季节]

【引伸】
monsoon.al
adj.（形容词）