Precipitation /priːˌsɪp.əˈteɪ.ʃən/ n. (尤指雨或雪的)降落;降水
meaning: water that falls from the clouds towards the ground, especially as rain or snow
1) 前缀:pre-向前
2) 词根:cipit- 头(capital 首都)
3) 后缀:-ation 名词后缀
e.g. The forecast is for dry, cloudy weather with no precipitation expected. 天气预报是干燥多云,没有降水。