Np antigen
[医] NP抗原, 牛痘病毒抗原
🧩 词语组成解析
[医] 镎(93号元素)
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
I don't know.
我不知道。
Thank you for you cooperation.
谢谢你们的合作。
He was obviously very nervous and for some minutes stood awkwardly before the microphone.
他显然非常紧张，局促不安地在麦克风前站了好几分钟。