They were in the plane's cargo area in a bag inside a plastic foam box, which was studded with air holes.

他们被放在货舱内一个配有塑料发泡盒的袋子里，这个袋子有透气孔。

youdao

David Edwards, a scientist at Harvard University, designed an eatable bag which can protect the food or drink inside.

哈佛大学的科学家大卫·爱德华兹设计了一种可食用的袋子，可以保护里面的食物或饮料。

youdao

She reached inside her bag for a pen.

她把手伸到包里掏钢笔。

《牛津词典》

He's obviously surprised, thinking that he was eating a cricket and not a bag with a worm inside.

NPR: Mole-Rats, Ants Making Science Headlines

Wiltshire Police said the ashes had been kept in two cardboard tubes which were inside a bag near the fireplace where Mr Tye had liked to sit.

BBC: Veteran George Tye's ashes stolen from Melksham home

Inside the bag was a pair of gym shorts, an old T-shirt, a couple CDs (yes, I still have them), my car keys and, oh yeah, my laptop.

FORBES: Google Saving Your Personal Data Can Be A Blessing