Mcsa
[医][=Moloney cell surface antigen]莫洛尼细胞表面抗原
🗣️ 情景例句
Oh, who could that be?
啊，这会是谁呢？
Idle young, needy old.
少壮不努力，老大徒伤悲。
Mr.Wang is fixing his bike.
王先生在修他的自行车。