Method:To dissect and observe the suprarenal gland, to draw materials from the organ in whole, then suprarenal gland tissue slices under the light microscope with methods of HE.

方法：解剖观察肾上腺、整体取材、常规HE 染色、光学显微镜观察肾上腺组织学结构。

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Methods: Adopt analytic approach of reviewing method, statistic the producing rate lung cancer by four different ways to draw materials including clamp check, brush check, rinse and needle aspiration.

方法：采用回顾性分析法，分别统计钳检、刷检、冲洗及针吸活检4种不同取材方法对肺癌的检出率。

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That's because the prototype gadget, which works with an antenna and other components, made with nanoparticles of silver and other materials on an inkjet printer, can draw energy out of thin air.

这种雏形设备由纳米银颗粒和用在喷墨打印机上的其它材料制成，并与天线和其它组件配合使用，可以从稀薄的空气中获取能量。

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And that is the distinction that I'm seeking to draw between the use to which materials are put and the materials themselves.

BBC: Ban urged on 'homophobic' booklet in schools

His system has a design that makes it easier to get the air through it, uses cheaper materials and does not draw electricity from the grid, which adds to costs and reduces the net amount of carbon stored (since grid electricity comes with carbon emissions attached, from the fuel used to make it).

ECONOMIST: Combating climate change

Elephant dung is one of many materials the artist uses in his works, which draw on collage techniques and employ acrylic paint, paper collage, glitter and map pins on canvas.

BBC: Artful elephants rewarded