Ferry serum
[医] 费里氏血清(预防及治疗麻疹)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
without studying these building plans more carefully.
在没有仔细研究这些建筑图的情况下。
He always forgets to wash behind his ears.
他总是忘记洗耳朵后面。
One evening, however, he failed to arrive.
可是，有一天晚上，它出去后再也没回来。