The boxes should be constructed from rough-sawn timber.

这些箱子应该用粗锯木材来做。

《柯林斯英汉双解大词典》

"The main architecture image resembles a construction site where assemblage of the scaffolding, sawn timber and gravel becomes the main aesthetic elements of the square," they continued.

“主要的建筑形象类似一个施工基地，这里是脚手架、锯木材和历史的组合，当然这也成为整个广场的主要审美元素，”他们继续说。

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This method enables green round wood and sawn timber to be stocked over long periods without wastage or environmental damage.

该方法能使绿圆木和锯成木材长期保存而不产生浪费和环境损害。

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At the same time, Scotland's sawmillers produced 7% more sawn timber, with much of it being sent to markets in England.

BBC: Scottish timber harvesting at record high