Immunogen
n. 免疫原
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
Will you accept my advice?
你将接受我的忠告吗？
We all know what the poor man should have said,
我们都明白那个可怜的人应该说些什么，