n.仓促；急躁；沉淀；降雨量；坠落；凝结；冰雹
You always act with precipitation. 你总是仓促行事。
Are Picoplankton Responsible for Calcite Precipitation in Lakes? 微型浮游生物应为湖泊中的方解石沉淀负责吗?
The quantity of precipitation varies greatly from year to year in these regions. 在这些地区每年降雨量的变化很大。
The storm brought several inches of precipitation. 暴雨带来了几英寸的降雨。
We were caught in a heavy precipitation. 我们淋了一场大雨。
In Hong Kong unwary pedestrians face more dangerous precipitation. 但在香港，警惕性不高的行人面临着更加危险的坠物。
There will be precipitation on northern hills tonight. 今夜北部山区有降雪。
n.[生]免疫沉淀反应
n.同时沉淀
