Immunoreactivity
免疫反应性
🗣️ 情景例句
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
What are you going to do with the books?
你打算拿这些书怎么办？
When did you have in mind?
你想什么时候呢？