Cnrs
abbr. 法国科学研究中心（The French National Center for Scientific Research ）；含枸橼酸盐的正常兔血清（citrated normal rabbit serum）
🗣️ 情景例句
And this is my sister Susan and her husband Harry Bennett
这是我妹妹Susan和她丈夫Harry Bennett
They've been married for quite a few years.
他们结婚好多年了。
Over a year passed before the first attempt was made.
然而一年多过去了才有人出来尝试。