Pregnene
[化] 孕烯; 孕甾烯\\n[醫(yī)] 孕烯
??? 情景例句
You graduated from engineering school.
你是從工學(xué)院畢業(yè)的。
I wasn't born yesterday.
我又不是三歲小孩。
This is the point I wish to emphasize.
這就是我要強(qiáng)調(diào)的論點。