Serotoxin
[医] 血清毒素
🗣️ 情景例句
Fortunately, they returned safely.
说来幸运，他们平安回家了。
Really?
真的还假的啊？
I live in a tall building in the middle of the city.What about you?
我住在这个城市中心的一幢高楼里。你呢？