backpacks

n.

（指登山者、步行者使用或背小孩时使用的）背包， （有轻金属框的）箱形背包( backpack的名词复数 )；

1. Let me take my camera out of my backpack.
   让我把相机从我的背包里拿出来。
2. My backpack is thin, but theirs are heavy.
   我的背包是轻的，但他们的是重的。

1. We shall have to backpack supplies through the woods.
   我们必须背负补给品穿过森林。
2. Why should she wait to backpack across Europe with you?
   她为什么要等着和你一起去欧洲背包旅行?

Backpacks in children.
Back pain and backpacks in school children
Backpacks vs. ponchos: Survival and movements of radio-marked ruffed grouse
From Backpacks to Smartphones: Past, Present, and Future of Wearable Computers
Effects of backpacks on students: Measurement of cervical and shoulder posture
Backpacks on! Schoolchildren's perceptions of load, associations with back pain and factors determining the load
Survival of Ring-Necked Pheasants with Backpacks, Necklaces, and Leg Bands
Backpacks, back pain, sagittal spinal curves and trunk alignment in adolescents: a logistic and multinomial logistic analysis
Method and apparatus for advertising using portable flat screen video equipped backpacks
The social psychology of perception experiments: hills, backpacks, glucose, and the problem of generalizability