英语词汇preexist是什么意思，preexist的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	preexist
释义	preexist　 ['pri:ig'zist]v.先前存在
随便看	n-heptyl alcohol n-heptyl aldehyde n-heptylacetylene n-heptylpenicillin n-hexacosane n-hexadecane n-hexaldehyde n-hexane n-hexyl acetate n-hexyl acetylene n-hexyl alcohol n-hexyl cyanide n-hexyl ether n-hexylene N-hydroxyacetylneuraminic acid N-hydroxyethyl-ethylenediamine N-hydroxyethyliminodiacetic acid (HIMDA) N-hydroxymethyl acrylamide N- N-hydroxymethylpyridine N-hydroxyphenylglycine N-imidoylamidine N-iodosuccinimide n-isdn N-isobutylundecylenamide n-level address

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