Seroreaction
n. [医]血清反应
🗣️ 情景例句
My vacation was terrible, it rained the whole time.
我的假期简直糟透了，整天都在下雨。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。
What are these?
这些是什么？