| [/prɪˏsɪpɪˈteɪʃn; prɪˏsɪpəˋteʃən/] n 用法:
1 [U] (fml 文) violent haste 迅急; 匆促; 仓促; 鲁莽:
to act with precipitation 仓促行事. 用法:
2 [U] separation of a solid substance from the liquid in which it is held 沉淀; 淀析. 用法:
3 (a) [C] fall of rain, sleet, snow or hail （雨、 雨夹雪、 雪、 雹子等的）降落:
a heavy precipitation 一场大雨（或雨夹雪、 雪、 雹子）.
(b) [U] amount of rain, etc thatfalls in an area 某地区降雨等的量:
the annual precipitationof the region 该地区的年降雨量. |