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1·The Romans were the first to utilize concrete as a building material.

罗马人首先使用混凝土作建筑材料。《牛津词典》

2·Some trees have higher nutritional value than others, and some are better for building material, and some are good for both.

有些树比其他的更有营养价值，有些更适合做建筑材料，而有些则在这两方面都很优秀。

3·Sand is an important building material.

沙子是重要的建筑材料。

4·Why is bamboo a great building material?

为什么说竹子是一种优秀的建筑材料？

5·Shanghai Yuangu Building Material Co., Ltd.

上海原谷建材有限公司。

6·The only building material is pure chocolate.

唯一的建材是纯巧克力。

7·Pine is the primary building material of the museum.

松木是构建博物馆的主要建筑材料。

8·This rock can be ground down for road-building material.

这种石头可碾碎作为筑路材料。

9·Considered as a building material, wood is not very strong.

木材可以用作建筑材料，但不很结实。

10·Waste products from industries can be made into road-building material.

工业废品可以做成筑路材料。