[N-UNCOUNT 不可数名词]降水Precipitation is rain, snow, or hail.
[TECHNICAL 术语]
2
[N-UNCOUNT 不可数名词]沉淀;沉析Precipitation is a process in a chemical reaction which causes solid particles to become separated from a liquid.
[TECHNICAL 术语]
Oxford
pre·cipi·ta·tion/prɪˌsɪpɪˈteɪʃn; NAmEprɪˌsɪpɪˈteɪʃn/noun1[uncountable ]( technical 术语) rain, snow, etc. that falls; the amount of this that falls 降水,降水量(包括雨、雪等)◆an increase in annual precipitation年降水量的增加2[uncountable , countable ]( chemistry 化) a chemical process in which solid material is separated from a liquid 沉淀;淀析pre·cipi·ta·tion/prɪˌsɪpɪˈteɪʃn; NAmEprɪˌsɪpɪˈteɪʃn/
1[uncountable] technical rain, snow etc that falls on the ground, or the amount of rain, snow etc that falls2[countable, uncountable] technical a chemical process in which a solid substance is separated from a liquid3[uncountable] formal the act of doing something too quickly in a way that is not sensible
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