求翻译：6月9号，是我的生日。我举行了一个聚会。我邀请了我的朋友Judy。那天，Judy送给我一个礼物，这个礼物长方形的绿背包，长40厘米宽30厘米，非常喜欢它。是什么意思？

June 9, is my birthday. I held a party. I invited my friend Judy. That day, Judy sent me a gift, the gift of rectangular green backpack, 40 cm wide and 30 cm long, very like it.