O antigen
[医] O抗原, 不动型抗原, 菌体抗原
🧩 词语组成解析
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
I think we should leave the door open. it's boiling in there.
我觉得我们应该把大门敞着，屋里太热了。
It's a piece of cake.
这很容易。
I have a letter of introduction here.
我这儿有一封介绍信。