Alloantigen
n. [生]同种抗原
🗣️ 情景例句
There are lots of things for her here.
这里有许多适合她的东西。
We can offer door-to-door delivery services.
我们可提供送货上门服务。
I didn't have any supper, except a piece of bread, because I didn't feel very well.
晚餐我只吃了一片面包，别的什么也没吃，因为我觉得不舒服。