Mcsa
[医][=Moloney cell surface antigen]莫洛尼细胞表面抗原
🗣️ 情景例句
It's a piece of cake.
这是小菜一碟。
The best horse needs breeding, and the aptest child needs teaching.
最好的马要驯，最伶俐的孩子要教。
Open your mouth and say Ah.
张大嘴说“啊”。