By burning tree branches, pine needles, and pine cones, many not only warm their houses but improve the smell therein.

通过燃烧树枝、松针和松果，许多人不仅给屋子供暖，而且还改善里面的气味。

《柯林斯英汉双解大词典》

Not like porcupine needles or anything, but small pointy projections on the surface that basically make the organ bumpy.

它不像豪猪的刺或其它什么的，而是在表面上有尖状的突起，使这个器官起伏不平。

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Donating blood at an approved donation centre should carry no risk, as all equipment should be sterile and blood collection needles are not reused.

在经批准的捐赠中心进行捐赠血液没有风险，因为所有设备都经过无菌消毒，采血针头也不会重用。

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The problem, as Mr. Salzberg will be quick to point out, is that those studies concluded it did not matter where needles were placed or even when toothpicks were used (as in the U.S. study).

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She uses tack needles--not quite a quarter-inch long--for fine lines, and removes them with tweezers.

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In the five years since its publication, implementation has accelerated, led largely, as it proposed, by private-sector innovation and often stimulated by the institute's " institutional acupuncture": figuring out where the business logic is congested and not flowing properly, and then sticking needles into sensitive sites to get it flowing.

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