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ester
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常见例句
ester
[ˈɛstə]
noun
(Chemistry)an organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. Many naturally occurring fats and essential oils are esters of fatty acids
(化)酯
派生
esterify
[ɛˈstɛrɪfʌɪ]
( -ies, -ied)
verb(-ies, -ied)
语源
mid 19th cent.: from German, probably from a blend of
Essig
'vinegar' and
Ather
'ether'
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lend vt.把…借给,贷(款),贡献,给予,适于 vi.增加,增添,给…增加,给予
lendable adj.可借贷的
lender n.出借人,贷方
lending n.出借,出租,贷款,出借物 v.把…借给( lend的现在分词 ),贷(款),增加,增添
length n.长度,长,时间的长短,(语)音长,一段,一节
lengthen vt.& vi.延长,伸长
lengthily adv.长,冗长地
lengthiness n.冗长
lengthman n.路段养路工
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