| 单词 | ring structure |
| 释义 | > as lemmasring structure ring structure n. ΚΠ 1886 Trans. N.Y. Acad. Sci. 1885–6 5 195 Professional chemists note with interest the important avenues of research opened up by the extension of the so-called ring structure of carbon compounds. 1930 Engineering 18 Apr. 525/2 These investigations indicated that the cellulose molecule had a ring structure. 2000 J. Mann Murder, Magic, & Med. (rev. ed.) iv. 208 By combining the ring structure of adrenalin or ephedrine with a hybrid adrenalin/amphetamine side-chain, the drug isoprenaline..was obtained. < as lemmas |
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