Frei antigen
[医] 弗赖氏抗原, 鼠脑抗原
🧩 词语组成解析
n. 弗雷（瑞士足球运动员）
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
We're out of toilet paper again. Let's buy some more rolls.
咱们又没卫生纸了。再多买几卷吧。
I think dimes and quarters will do.
我看1角和2角5分的硬币就可以了。
It is six o'clock.In the evening, the children usually do their homework, but this evening, they are not doing their homework.
现在是6点钟。晚上，孩子们通常是做作业，而今天晚上，他们没做企业。