Antigen reaction
[医] 德-帕二氏抗原反应(结核病补体结合试验)
🧩 词语组成解析
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
She said she'll call you later.
她说她等会儿给你电话。
How much does she eat?
她要吃多少？
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。