Alloimmunization
异源免疫, 同种异体免疫
🗣️ 情景例句
An oil tanker ran aground and lost about 15,000 gallons of gas into the sea.
一般油轮搁浅，把 15000 加仑油倾泻在海里了。
Without practice, hopes will be reduced to zero.
没有实践，希望会化为乌有。
Can you ring up the bus company?
你能给汽车公司打个电话吗？