Is your backpack on the desk?

你的书包在桌子上吗？

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She hoisted her backpack on to her shoulder.

她把背包举到自己的肩上。

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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》

Meredith, a sixtysomething CPA from Brisbane, tells us she wears her backpack on the StairMaster at the gym.

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Mine started with shortness of breath and a sharp pain in my chest, which I attributed to walking up a long flight of stairs with a 30 pound backpack on my back.

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She settled instead on trying to thrust a bag of rolls and fruit into his hands, and reminded him several times not to leave his backpack sitting on the ground or on a subway seat in New York.

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