Levonorgestrel
[医]乙羟基二降孕甾烯炔酮, 左旋-18-甲基炔诺孕酮
🗣️ 情景例句
She's unhappy
她很不高兴。
Swimming promotes health.
游泳有益健康。
Please ask her to call me back when she's back.
她回来时请让她给我回个电话。