C2 noun #143,593 最常用

a synthetic form of estrogen used in combination with a progestin in oral contraceptives

mestranol 30秒了解

  • (noun) a synthetic form of estrogen used in combination with a progestin in oral contraceptives

Meanings

  1. 1
    noun a synthetic form of estrogen used in combination with a progestin in oral contraceptives
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