precipitation
noun
prɪəˌsɪpɪəˈteɪʃən
noun
1
rain,
snow
etc
that
falls
on
the
ground,
or
the
amount
of
rain,
snow
etc
that
falls
[术语] 降水; 降水量
U | technical
2
a
chemical
process
in
which
a
solid
substance
is
separated
from
a
liquid
[术语] 沉淀
C,U | technical
3
the
act
of
doing
something
too
quickly
in
a
way
that
is
not
sensible
[正式] 仓促，鲁莽，轻率
U | formal