除了组里准备的自制三明治水果以外自己要准备一点喜欢吃的高能量体积小重量轻的食品以备急用
In addition to the homemade sandwiches and fruits prepared by the group, you should also prepare some high-energy, small-sized and lightweight foods that you like for emergency use
以上为机器翻译结果，长、整句建议使用 人工翻译 。