She kept all the letters in a box.

她把信件都保存在一只盒子里。

《牛津词典》

They were put in a box.

它们被放在一个箱子里。

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He gave the medicine to Chang'e and she kept it in a box.

他把药给了嫦娥，嫦娥把它放在了一个盒子里。

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Another method is to place several cloth bags on top of each other in a box.

VOA: special.2009.09.29

They were looking down into a lowered place, where something white was lying, squirming a little, in a box lined with black cloth.

他们在往低处看,在一个围着黑布的箱子里，好像有什么白色的东西躺在里面，微微地蠕动，在很短的时间内。

耶鲁公开课 - 1945年后的美国小说课程节选

Another way of displaying this is in a box notation.

另一个表示这个的方法是放在框记号里面。

麻省理工公开课 - 固态化学导论课程节选

He took out a medal in a box and showed it to his wife.

NEWYORKER: Among Animals and Plants

Flexcube's predecessor was a more primitive "bank in a box" that Citi coders developed.

FORBES: Magazine Article

Evidently a new set of clothes had arrived one day in a box from Silicon Valley.

FORBES: Digital Rules