狗嘴里吐不出象牙，怎么翻译
狗嘴里吐不出象牙，怎么翻译How can you expect to find ivory in a dog's mouth?Dogs mouth spit i...
狗嘴里吐不出象牙，怎么翻译How can you expect to find ivory in a dog's mouth?Dogs mouth spit i...