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Sloths
[slɔ:θs]
例句/造句/用法:
Dalton
,
likewise
,
in
Pander
and
Dalton
'
s
work
on
Fossil
Sloths
,
expressed
,
in
1821,
a
similar
belief
.
查理斯·達爾文.
物種起源
.
編輯:菲利普
