【简答题】An 80-year-old man was sitting on the sofa in his house along with his 45-year-old highly educated son. Suddenly a crow(乌鸦)perched on the tree near their window. The father asked his son, “What is thi...
【简答题】An 80-year-old man was sitting on the sofa in his house along with his 45-year-old highly educated son. Suddenly a crow perched on their window. The father asked his son, “What is this?” The son repli...