Parallergin
副变应原
🗣️ 情景例句
What did you see on your vacation?
在假期中都看了些什么？
I'm afraid I've let myself get run-down. I've been working too hard.
我似乎弄坏身体了。最近太过劳累。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美国跑了许多地方，了解有关祖先的情况。