Ecto-antigen
[医] 菌表抗原, 体外抗原
🧩 词语组成解析
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
Yes. About four years ago.
是的 ，大约四年前走的。
Every tree is known by its own fruit.
观其言行，知其为人。
I tried to say something, but my mouth was full of cotton wool.
我想说点什么，但我嘴里塞满了药棉。