Methylnorethindrone
18-甲炔诺酮
🗣️ 情景例句
It's bound to happen sooner or later.
这件事迟早要发生。
Man alone is born crying, lives complaining, and dies disappointed.
只有人，生下时啼哭，活著时抱怨，去世时失望。
He telephoned the office yesterday morning and yesterday afternoon.
他昨天上午和下午把电话打到了我的