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
Your first great-grandchild.
你的第一个曾孙。
Necessity and opportunity may make a coward valiant.
需要和机会，可使懦夫变勇敢。
'You needn't be so rude about it,' my wife answered as she looked at herself in the mirror.
“你说话没必要这样不客气，”我的妻子边回答边照着镜子。