Isoimmunization
同种免疫
🗣️ 情景例句
Do you sell foreign literature?
这儿有外国文学读物卖吗？
There'll be time for questions at the end.
最后会有时间发问的。
There is only one difference between an old man and a young one:
老年人和年轻人之间仅仅有一个不同：