timber piled wharf

例句：

1. 1. The timber was so old that it had to be replaced with new ones.
   木材太旧了，不得不用新的来替换。
2. 2. The workers were busy stacking the timber on the wharf.
   工人们忙着把木材堆放在码头上。
3. 3. The timber industry is a major contributor to the economy of the region.
   木材工业是该地区经济的主要贡献者。