precipitation
[英][prɪˌsɪpɪˈteɪʃn][美][prɪˌ信消sɪpɪˈteʃən]
n.匆促;
沉淀;
（雨等）降落;
某地区降雨等的量;
复数：precipitations
例句:
1.
Northern
and
central
china
have
had
little
precipitation
since
november.
从11月份开始中国北部与中部地区就很少有降水。
2.
Are
these
huge
precipitation
pools
of
some
kind?
这些是某种卖族巨大的降雨蓄水池么？
.
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