Alloimmunization
异源免疫, 同种异体免疫
🗣️ 情景例句
He is burning the midnight oil.
他在挑灯夜读。
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
It's Jim. He's in that tree. He can't get down. Can you help him?
是吉姆，他在树上，下不来了，你能帮他吗？