Hello everyone! My name is Jacob! I'm 4 years old! I likeeverything about train! It's my honor to take part in this competition,I hope everyone can support me! Thank you! 大家好！我叫吴宣璋！今年4岁！我喜欢一切有关火车的东西！很荣幸可以参加这次比赛，希望大家都能支持我！谢谢！