Pcna
[医][=proliferating cell nuclear antigen]增殖细胞核抗原
🗣️ 情景例句
I'm dependent on caffeine.
我对咖啡因上瘾。
Care and diligence bring luck.
谨慎和勤奋，带来好运气。
But I couldn't answer the rest.They were too difficult for me.
但我回答不出其作的题。那些题对我来说太难了。