Tafa
[医][=tumour-associated fetal antigen]肿瘤相关胎儿抗原
🗣️ 情景例句
Yes?
是吗？
He said he would rather not tell his age.
他说他不愿告诉年龄。
This is a good photograph.Who are these people?
这是一张很好的照片。这些人是谁。