Mcsa
[医][=Moloney cell surface antigen]莫洛尼细胞表面抗原
🗣️ 情景例句
Sit down, Susan.
坐下， Susan。
Thanks. I'll certainly do that.
谢谢了，我一定会的。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？