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单词
tannin
释义
tannin
tan
nin
/
ˈtænɪn
/
(
also
tan‧nic ac‧id
/
ˌtænɪk ˈæsɪd
/
)
noun
[uncountable]
Etymology
ETYMOLOGY
tannin
Origin:
1800-1900
French
tanner
; ➔
TAN
1
an acid used in preparing leather, making ink, etc.
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更新时间:2025/1/24 5:17:06