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单词 tetraethyl
例句 DEFINITIVE EXAMPLES 权威例句〔antiknock〕A substance, such as tetraethyl lead, added to gasoline to reduce engine knock.抗震剂:一种加在汽油中可以减轻发动机震动的物质,如甲乙基铅美国传统〔lead tetraethyl〕Tetraethyl lead.四乙铅美国传统〔white gasoline〕Gasoline containing no tetraethyl lead.无铅汽油:不含四乙基铅的汽油美国传统
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