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
What do you mean?
是什么意思？
There is no rose without a thorn.
玫瑰花没有不长刺的。
for even though it was still summer, it rained continually and it was often bitterly cold.
因为即使那时仍为夏季，但雨总是下个不停，而且常常冷得厉害。