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
I made another lunch date for today
我和别人约好共进午餐，，
Light come,light go.
易得则易失；来得容易去得快。
Could you tell me your secret for a long, happy life?
你能告诉我长时间地过着快乐的生活的秘诀吗？