上海航天科技新能源:this is my big sister/this is my little brother如何翻译

this is my big sister/this is my little brother如何翻译 this is my big sister怎么翻译，big怎么翻译，与old的区别 Big-Breasted Siste是什么意思 this is my prefect day This is my mother.教案 This is my own camera This is time for the big show, baby this is my dj的歌词是什么？？ 英语作文 This is my school 谁有this is my dj这首歌的完整歌词?