Osteogenin
成骨素
🗣️ 情景例句
We had a unique experience here.
我们在这里获得了宝贵的经验。
My father refused to consent to my marrying her.
父亲拒绝答应我和她结婚。
Before it becomes a retirement village,
在硅谷变成一个退休村之前，