Alloimmunity
同种免疫
🗣️ 情景例句
The Sydney Olympics attracted more than one million new travelers into Australia.
悉尼奥运会吸引了超过一百万新的旅游者到澳大利亚。
Excuse me I can't do it now.
对不起我不能现在做。
Hello! Sydney 7654392.
喂！我是悉尼7654392。