Bamboo's the most common material, but they are also be made of various types of wood, as well as plastic, porcelain, animal bone, ivory, metal, coral, agate, and jade.

竹子是最常见的材料，但它们也可以用各种各样的木材，以及塑料，瓷器，动物的骨头，象牙，金属，珊瑚，玛瑙，玉器等做成。

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Logically speaking, this control list will include equipment, material and technology that can be directly used in missiles, as well as missile-related dual use items.

从逻辑上讲，这一清单将包括直接用于导弹的设备、材料和技术，以及与导弹相关的双用途物项。

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Diamonds are useful as an industrial material as well as gem stones, and they would have many more applications if they could be made cheaply.

这是一个重要的问题。和宝石一样，作为工业原料的钻石很有用，而且如果他们价格便宜一些的话会有更多的用处。

youdao

The legal frameworks of the ethnic-racial issue in Brazil will be presented as well as the experiences with elaboration of pedagogical material about African and African-Brazilian History and Culture for teachers working in primary education.

UNESCO: International Seminar discusses Education on Ethnic-racial Relations | United Nations Educational, Scientific and Cultural Organization

Waiting for the job recovery might be a good time to take a broader measure of the material well-being of Americans.

ECONOMIST: The economy

It identifies the conditions that need to be in place before organized returns begin, such as the physical, material and legal safety and well-being of the returnees.

CNN: UNHCR focus on returning Iraqis