Hello,I'm Wang xia from the technology primary school in Class 503,I'm 13 years old,I'm very happy at here to participate activity.I'd like swimming,playing the cymbalo,But English was my hobby of one.Hope the everyone gives countenance to me,Thank you!
可能很深奥,翻译一下：
technology：技术
primary school：小学
to participate：参加
activity：活动
cymbalo：扬琴
hope：希望
give countenance to：鼓励sb.