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Substrata
[,sʌb'strætɚ]
解释:
(
pl.
) of Substratum
埃尔温整理
例句:
It
took
into
account
the
collieries,
mines
, canals, marshes, fens,
and
the
varieties
of
soil
in
relation
to
the
substrata
.
李贝.
西洋科学史
.
埃尔温整理
