The tradition of using bamboo to construct and use weapons persists today, and remains a primary construction material.

用竹子制造武的传统一直延续至今，并且仍然是主要的制作材料。

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However, the Karelian Birch egg was the only one to use an organic substance (wood) as a primary construction element.

卡累利阿桦木蛋是唯一一个使用有机物质(木材)作为主要元素。

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In situ loading test results show that the soil foundation consisting of the mixture can provide enough bearing capacity for primary construction.

现场试验表明经皂化渣加固后的软土地基承载力可以满足设计要求。

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The primary complaint driving this move: construction of a border fence would cut off cross-border populations of the same endangered jaguar and ocelot species from breeding with one another.

CENTERFORSECURITYPOLICY: Green Borders

For the past four years, the Yao Foundation has been funding the construction of 14 schools through the Hope Primary Schools program that will eventually benefit some 9, 000 rural students in China.

FORBES: Yao Ming's Latest Venture: China's Big Man Turns To Conservation

They just grabbed whomever they could waiters, a construction worker, a dance teacher in a primary school.

NEWYORKER: The Kingpins