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
Bye.
再见。
The receiver is as bad as the thief.
窝赃者和贼同罪。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，