Pack heaviest objects close to the body, and place little ones outside, away from the back.

把最重的东西放在靠近身体的地方，把小的放在外面，远离背部。

youdao

The next morning, he decided to go back to the place where he'd last been together with his pack.

第二天早上，他决定回到他最后一次和群体在一起的地方。

youdao

Raeburn said, not sage or professional but a little shocked by the discovery, as if I'd been trying to hide a pack of his cigarettes behind my back.

雷伯恩教授说，不是那种圣人般或是职业的断言，他自己对自己的发现有不小的吃惊，似乎我藏了一包他的烟在我身后。

youdao

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

He remembered the elation as he left her in the pub and went back to their flat, to pack.

NEWYORKER: Teaching

Heading back to pack our bags beneath those same glowering ancestors (who somehow now look less forbidding) we consider how the misadventure of an ill-timed traffic jam on the Bosphorus Bridge brought us to this hidden island paradise.

BBC: Turkey��s best-kept secret

Carpenter has schooled Stevens on bike handling how to absorb the bumps that come in pack racing, and how to bump back.

WSJ: Evelyn Stevens Gets an Assist From Connie Carpenter: Cycling's Luke Finds Her Obi-Wan -- London 2012