In earlier times it was necessary to design structural systems suitable for the materials that were available, such as wood, stone, brick.

在早期，有必要设计适合现有的例如木材、石头、砖这样的材料的建筑系统。

youdao

Before the early nineteenth century, books were hand-bound using heavy materials such as wood, leather, gold, silver and jewels.

十九世纪早期以前，书籍都是使用笨重的材料，如木头、皮革、金、银和宝石等手工装订而成的。

youdao

"Perhaps the earlier symbols tended to be carved into perishable things such as wood and skins, which have now disintegrated," says von Petzinger.

“也许更早期的符号刻在象木头和皮肤等一些易毁坏的物体上，那些东西现在已经无法成形了。”梵佩金·格尔说道。

youdao

They were conservative men. They represented workers with certain skills, such as wood workers or metal workers.

VOA: special.2011.03.31

Wood ash is one example. But chemical mordants such as alum are popular today.

VOA: special.2010.08.02

Any device that burns fuels such as coal,oil or wood can create the gas.

VOA: special.2010.02.02

Its rooms have period features such as wood panelling, high ceilings and large French windows.

BBC: Mini guide to Bucharest, Romania

It is fabulous when layered with similar shades and white, and natural materials such as wood, parchment, leather and metal.

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You can use ten different resources such as wood, mercury, and gold to buy the structures that you need to recruit different monsters.

CNN: Fantasy gaming on the Mac