Behring's serum
[医] 贝林格氏血清(白喉血清)
🧩 词语组成解析
serum
['sɪrəm]
n. <医>血清，血浆;浆液，树液;乳清;
🗣️ 情景例句
Well, what do you say we get back to our fishing?
你们说， 我们回去钓鱼怎样？
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
I haven't heard from her for a long time.
我好久没有她的消息了。