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负碳离子
例句
DEFINITIVE EXAMPLES 权威例句
〔carbanion〕
An anion in which carbon carries a negative charge and an unshared pair of electrons.
负碳离子
,阴碳离子:一种阴离子,其中碳带一个负电荷和一个非共用电子对
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buck's fizz
buck-skin
bucked
bucken
bucket
bucket along
bucket and spade
bucket brigade
bucket seat
bucket shop
bucket-loads
bucketed
bucketful
bucketing
bucketloads
buckets
buckets of
bucking
buckingham
buckingham palace
buckle
buckle down
buckle down to
buckle in
buckle to
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更新时间:2026/10/8 19:42:35