Siss
[医][=serum inhibitor of streptolysin S]链球菌溶血素S的血清抑制剂
🗣️ 情景例句
He went to Canada on business.
他因公赴加拿大。
What are you writing?
你正在写什么？
So I don't think she's left the college. And her papers and books are all over the desk.
所以我认为她还在学校。而且她的作业和课本都放在桌子上。