Protective antigen
[化] 保护性抗原
🧩 词语组成解析
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
It's not finished yet.
现在还没有完成。
A man without a smiling face must not open a shop.
人无笑脸，不要开店。
Many of these obligations can give rise to problems and complications but a bank customer,
其中许多义务往往引起问题和纠纷。