| 单词 | 乙基 |
| 释义 | 〔ethylate〕To introduce the ethyl group into (a compound).使乙基化：把乙基引入（一化合物）〔levonorgestrel〕The levorotatory form of norgestrel, used in oral contraceptives and in contraceptives implanted subdermally. In implant form it can prevent pregnancy for up to five years.诺普兰避孕剂，左旋去黄体酮乙基，乙基炔诺酮：炔诺孕酮的左旋偏光形式，用于口服避孕药和皮下植入避孕。植入避孕方式可避免五年内怀孕〔disulfoton〕di(ethyl) [containing two ethyls] di- 1 ethyl di(ethyl) [含有两个乙基的] di-1 ethyl〔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〔norgestrel〕A synthetic progestogen, C21H 28O 2, used in combination with estrogen as an oral contraceptive. 诺孕酮，乙基黄体酮：合成孕酮，C21H 28O 2，与雌激素结合用作口服避孕药 〔mercaptan〕A sulfur-containing organic compound with the general formula RSH where R is any radical, especially ethyl mercaptan, C2H 5SH. Also called thiol 硫醇：一种含硫磺的有机化合物，其分子式为RSH，其中R可以是任何种类的基，尤其指乙基硫醇，其化学式为C2H 5SH 也作 thiol〔Norplant〕A trademark used for the drug levonorgestrel.诺普朗特：左旋去黄体酮乙基、乙基炔诺酮药剂的商标〔urethane〕Any of several esters, other than the ethyl ester, of carbamic acid.聚氨酯：一种氨基甲酸中除乙基酯以外的酯〔ethyl〕A univalent organic radical, C2H 5. 乙基：一种一价烃基的C2H 5 |
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