Trengestone
[化] 群孕酮; 氯二去氢逆孕酮
🗣️ 情景例句
It's unsafe for girls to go out alone at night.
女孩子晚上一个人外出很危险的。
Let's give him a big hand.
让我们热烈鼓掌。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；