... BACK PACK 背包 ; 背包式灭火器 ; 背架 ; 背负的五加仑灭火器 back-pack camera 背负式照相机 ; 背负式电视摄像机 back-pack 背伞 ...
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back-pack camera 背负式电视摄像机 ; 背负式照相机
back pack pump tank 背负式带泵灭火器
back-pack tank 背负式罐
back-pack pump 背负泵
back-pack 背负式
MILITARY BACK PACK 军用背包
WHAT IS THIS BACK-PACK 这是什么背包
N-COUNT A backpack is a bag with straps that go over your shoulders, so that you can carry things on your back when you are walking or climbing. 双肩包
我的书包在哪?
My back pack isn't very heavy because I only brought the necessities .
我的背包不会很重,因为我只带必需品。
It is necessary to take a back-pack while hiking.
远足时有必要背双肩背包。
The heavy pack on his back let him think of what he would do when he got home.
VOA: special.2010.06.26
one of the soldiers said to Smith. "You'll never be able to walk all those miles with that heavy pack on your back."
VOA: special.2009.12.12
Seth helped John pack his fur and traps so he could carried them on his back.
VOA: special.2010.06.26
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