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unsubstituted
未被取代的
常用释义
词性释义
adj.
未被取代的
例句
全部
These
amine
substituted
acid
may
polymenze
in
an
analogous
manner
to
unsubstituted
oxo
-
anions
.
这些胺取代酸可以与未取代的氧络阴离子相类似方式聚合。
Nansha
,
situated
at
the
center
of
Pearl River
Delta
,
has
unsubstituted
advantage
in
the
economic
development
of such
district
.
南沙地处珠江三角洲的中心，在珠三角经济发展中具有不可替代的区位优势。
R
is
selected
from
the
group
consisting of
hydrogen
,
substituted
or
unsubstituted
alkyl
,
and
substituted
or
unsubstituted
aryl
;
R是选自氢，取代或未取代的烷基，取代或未取代的芳基；