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单词 naphthene-base
释义 naphthene-base
\ˈ ̷ ̷ˌ ̷ ̷| ̷ ̷\ adjective
: containing relatively large amounts of various cyclic hydrocarbons (as naphthenes) — used especially of crude petroleum; compare asphalt-base, paraffin-base
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更新时间:2024/11/12 4:14:02