Yersin's serum
[醫] 鼠疫血清
?? 詞語組成解析
serum
['s?r?m]
n. <醫>血清，血漿;漿液，樹液;乳清;
??? 情景例句
I'll try to squeeze you at 2:30 p.m.
你來如何？我會在下午2點半擠出時間的。
I am sorry you feel sad.
抱歉，讓你傷心了。
Have you just been to the cinema?
你剛去過電影院嗎？