schoolbag

n.

书包；

复数：schoolbags

1. The schoolbag is for Mary for her new school year.
   书包是给玛丽的新学年礼物。
2. My brother always misplaces his schoolbag.
   我弟弟常常乱放他的书包。

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Schoolbag weight limit: can it be defined?
Schoolbag weight and musculoskeletal symptoms in New Zealand secondary schools
The Electronic Schoolbag, a CSCW workspace: presentation and evaluation
Schoolbag carriage and schoolbag-related musculoskeletal discomfort among primary school children
Postural and subjective responses to realistic schoolbag carriage
An Educational Web Environment based on the metaphor of the electronic schoolbag
A Model for CSCL Allowing Tailorability: Implementation in the "Electronic Schoolbag"Groupware.
Poor sitting posture and a heavy schoolbag as contributors to musculoskeletal pain in children: an ergonomic school education interv...
Inculcating the ergonomic culture in developing countries: national healthy schoolbag initiative in Sri Lanka.
Neck, shoulder and low back pain in secondary schoolchildren in relation to schoolbag carriage: should the recommended weight limits...