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Swellings
[swelɪŋz]
例句/造句/用法:
This
is
because
the
roots
of
these
plants
often
have
on
them
tiny
swellings
,
or
tubercles,
in
which
millions
of
certain
bacteria
live
and
multiply
.
伯莎M.克拉克.
科學通論
.
校對:米里亚姆