英语词汇“hydrogen 1”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	hydrogen 1
释义	hydrogen 1 hy·dro·gen 1 (¹H) (hī'drō-jen) The common hydrogen-1 isotope, making up 99.985% of the hydrogen-1 atoms occurring in nature.
随便看	proof of authority proof of biological activity proof of catching a fish proof of citizenship proof of claim proof of closure proof of compliance report proof of concept proof-of-concept proof-of-concept aerospace defense location proof of concept demonstration proof of concept/experimental testbed proof of concept fund proof of concept initiative proof of concept program for air force medical prototypes proof of concept prototype proof-of-concept rotary fluid coupler proof of concept switch proof of concept trials proof-of-concept virus proof of delivery proof of deposit proof of design proof of development proof of employment

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hydrogen 1