| 单词 | levonorgestrel |
| 释义 | levonorgestrel le.vo.nor.ges.trel AHD: [l¶”v…-nôr-jµs“tr…l] D.J. [7li8v*n%86d/estr*l]K.K. [7liv*n%r6d/Wstr*l]n.（名词）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 |
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