英语词汇“allen screw”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	allen screw
释义	al·len screw \ˈalə̇n-\ noun Etymology: from Allen, a proper name : a screw with a hexagonal recess in the head
随便看	phenanthr- phenanthra phenanthra- phenanthrene phenanthridine phenanthridinium phenanthridone phenanthro phenanthro- phenanthroline phenanthryl phenarsazine phenarsazine chloride phenate phenazine phenazocine phenazone phencyclidine phene phenelzine phenethicillin phenethyl phenethyl phenethyl alcohol phenetic

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