Protective antigen
[化] 保护性抗原
🧩 词语组成解析
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
That's what I said!
我正是这么说的！
How fierce can a lion be without his teeth?
没有牙的是狮子也可怕吗？
but they can still stop you when you are going through the Green Channel and have nothing to declare.
但是，当你通过绿色通道，没有任何东西需要申报时，他们仍可以拦住你。