Immune serum
[化] 免疫血清
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
Does the back door have a lock on it?
后门上有锁吗？
Let's meet outside the park gate.
咱们在公园的大门外碰头吧。