They keep out bits of wood or stone.

它们把木块或石块挡在外面。

youdao

I tried making toy cars with cardboard boxes and constructing buildings from leftover cardboard and bits of wood my father gave me.

我试着用纸板箱做玩具汽车，用父亲给我的剩纸板和木片搭房子。

youdao

He took a few bits of wood and made a fire.

他拿了几片木柴生起一堆火。

youdao

They'd made skates out of sticks and bits of wood, they were having a fantastic time.

BBC: North Korea's voyage of discovery

Mr Twombly, who is being given his first retrospective in 15 years, uses materials that have come to him at random bits of wood, cardboard, bronze boxes, palm leaves and plastic flowers.

ECONOMIST: American contemporary art

Government evictions and the destruction of the feeble structures, usually just bits of plastic tarp and wood, are fairly commonplace.

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