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
Wonderful.
真精采。
We have thirty minutes to kill.
我们有三十分钟空闲时间。
At this time, the man downstairs was trying to sleep.
这时楼下人正试图入睡。