您要查找的是不是：
- Summary of Background Data.Fall-related vertebral fractures are common and backward falls result in impact to the buttocks. 背景概要：由跌倒引起的椎骨骨折非常普遍，其中后向跌倒会导致臀部受到冲击。
- He lined out for home without a backward glance. 他头也不回，急忙往家里走去。
- He has a knack of falling out with everyone. 他有个怪癖，总是和每个人吵架。
- She was hit by a piece of falling masonry. 她被建筑物上落下的一块石头砸着了。
- This part of the country is still backward. 这个国家的这个地区仍很落后。
- In some cities housing conditions went backward. 某些城市的住房条件越来越差。
- The teacher was patient with backward children. 那位老师对迟钝的学童十分耐心。
- The captain upbraid his men for falling asleep. 上尉因他的部下睡着了而斥责他们。
- He looked backward over his shoulder. 他回头向后看。
- Laid-off workers fall into penury. 下岗职工陷入贫困。
- The falling slate sliced into his arm. 落下来的一块石片划破了他的手臂。
- The malformation of his knee is caused by a fall. 他膝盖的畸形是由摔了一跤造成的。
- He is hit by a falling tree and killed on the spot. 一棵树倒下来，把他当场砸死了。
- The toddler tried to walk but kept falling down. 那小孩学著走路但老是跌跤。
- She fall to brood about what have happen to her. 她开始沉思默想自己的遭遇。
- Aunt Emily put up a dozen cans of tomato last fall. 去年秋天埃米莉姑妈做了12瓶番茄酱。
- She looked backward over her shoulder. 她回头往後看。
- If I fall asleep at the wheel wake me up. 如果我开车时睡着了，就叫醒我。
- He loses his footing on the wet floor and fall. 他在潮湿的地板上失去平衡而摔倒了。
- Dusk was falling as he hurried back. 他匆匆往回走时已是黄昏时候了。
