1. An unattended backpack was found in a rubbish pile. 在垃圾桶里发现了一个无人看管的背包。 《柯林斯英汉双解大词典》
2. He had a small green backpack slung over one shoulder. 他把一只绿色小背包搭在一边肩上。 《柯林斯英汉双解大词典》
3. He staggered a little under the weight of his backpack . 他身上的背包压得他有点步履蹒跚。 《牛津词典》
4. The traditional backpack with a difference—it's waterproof. 这个跟传统背包不同—它防水。 《牛津词典》
5. Today's backpack show was fun. 今天的背包秀很有趣。 youdao
6. Would you put down your backpack ? 你能放下你的背包吗？ youdao
7. Mike has a new backpack . 迈克有一个新的背包。 youdao
8. Our uncle's backpack was half empty. 我们叔叔的背包有一半是空的。 youdao
9. I'll backpack to Paris. 我要背包旅行去巴黎。 youdao
10. My backpack is lost. 我的双肩背包丢了。 youdao
11. I lost my backpack . 我的背包丢了。 youdao
12. It is my backpack . 它是我的双肩背包。 youdao
13. He was also carrying a backpack or wearing a backpack . 这个人还带着一个背包，或者说是背着一个背包。 youdao
14. You should be able to move your hands between the backpack and your back. 你应该能够在背包和背部之间移动你的手。 youdao
15. A heavy backpack forces the muscles and spine to balance the unequal weight. 一个沉重的背包迫使肌肉和脊椎来平衡那些不均的重量。 youdao
16. Remember when lifting a backpack , or anything, to lift using the arms and legs and to bend at the knees. 记住，当提起背包或其他东西时，要用胳膊和腿提起，膝盖弯曲。 youdao
17. I ran downstairs ahead of him to throw my backpack in his old white diesel Mercedes, and there it was: a big, glittery rainbow flag sticker. 我跑下楼越过他，把我的背包扔进他老旧的白色柴油梅赛德斯里，然后我看见：一个巨大、闪闪发光的彩旗贴纸。 youdao
18. A strong wind of dust storms can carry heavy objects, so you should try to stay low, and close to the ground, and protect your head with your arms or a backpack . 强劲的沙尘暴可以卷起重物，所以你应该尽量保持低姿态，靠近地面，并用你的手臂或背包保护你的头部。 youdao
19. Once kids started carrying book bags, that bulky traditional lunch box was hard to fit inside."But you can't just throw a sandwich in a backpack ," Jayasekara says. 一旦孩子们开始背书包，那种笨重的传统午餐盒就很难装进去了。“但你不能只往背包里扔个三明治。”贾阿塞卡拉说。 youdao
20. She found a seat, stowed her backpack and sat down. 她找到一个座位，把背包放好，坐了下来。 《牛津词典》
21. He lay back on the grass using his backpack as a pillow. 他用背袋当枕头仰卧在草地上。 《牛津词典》
22. Their amazing work is a big backpack . 他们惊人的工作成果就是一个大背包。 youdao
23. You can put your phone inside a backpack . 你可以把手机放在背包里。 youdao
24. The backpack is medium-sized and red in colour. 这个背包中等大小，颜色是红色的。 youdao
25. A backpack sends O2 in to let astronauts breathe normally. 一个背包可以输送氧气，让宇航员正常呼吸。 youdao
26. Two high school students from Canada have invented a magic backpack . 两名来自加拿大的高中生发明了一种神奇的背包。 youdao
27. When it is folded, it can be carried on the shoulder as a backpack . 当它折叠起来时，它可以作为一个背包放在肩膀上。 youdao
28. They were inspired (启发) to make the backpack after Pasha's uncle died on the street. 在帕夏的叔叔死在大街上后，他们受到启发制作了这个背包。 youdao
29. This is to inform all the students that a backpack has been found in the school playground. 特此通知所有学生，在学校操场上发现了一个背包。 youdao
30. When Alice's uncle took out some stones from her backpack , she thought her uncle had found better stones. 当爱丽丝的叔叔从她的背包里拿出一些石头时，她以为叔叔找到了更好的石头。 youdao
