Pcna
[医][=proliferating cell nuclear antigen]增殖细胞核抗原
🗣️ 情景例句
I'm sorry. I missed that.
对不起，我没听清。
I can hardly wait to see the new comet.
我急不可待地要见到新彗星的出现。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。