Pregnane
n. [生化]孕烷
🔁 扩展释义
【化】 孕烷; 孕甾烷【医】 孕烷
🗣️ 情景例句
Of course.
当然。
The children began to get across at each other.
孩子们开始争吵了。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。