Foreign sera
[医] 异种血清
🧩 词语组成解析
浆液, 血清\\n[医] 血清; 浆液
🗣️ 情景例句
And ...?
而且……
To climb stairs
爬楼梯
I turned to look at the children, but there weren't any in sight: they had all run away! The man laughed when he realized what had happened.
我转过头去看那些孩子，但一个也不见，全都跑了！当那个人明白了发生的事情时，笑了起来。