Pcna
[医][=proliferating cell nuclear antigen]增殖细胞核抗原
🗣️ 情景例句
Do you think it's too long?
你会不会觉得太长了？
What time's the next train to Washington?
下一趟去华盛顿的车几点开？
I'll have to ring you back, as I need to have a look at my diary and I haven't got it with me.
我得（等会儿）再给你回电话，因为我要先看看我的日记，而我没有把它带在身边。