Kitasato's serum
[医] 北里氏血清(抗霍乱血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
Keep your breath to cool your porridge.
少管闲事。
Duck your head as you go through the door there.
经过那儿的门时，请将头放低。