She built bookshelves out of bricks and planks.

她用砖和厚木板制作了书架。

I knocked some bookshelves together from old planks.

我用旧木板拼拼凑凑做了些书架。

It was very strong, made of three solid planks of wood.

它非常结实，是用三块厚木板做成的。

We improvised some shelves out of planks of wood and bricks.

我们用木板和砖头临时搭了些架子。

My favorite is all the planks with the knot holes.

我最喜欢的是所有带有打结孔的木板。