Gestogen
助孕素
🗣️ 情景例句
Oh yes, the May Fourth Movement. I've read about it.
哦，是的，五四运动，我听说过。
The accident held the train up for an hour.
那事故使火车延误了一个小时。
Uncle Wang was waiting for them outside the factory gate.
王大叔在工厂大门外等他们。