物质

• All these materials have a "greasy feel" .
  所有这些物质具有一种“滑腻的”感觉。
• Odors have been associated with particular matter .
  气味是与微粒物质合在一起的。
• A substance donates protons to some other substance .
  一物质向其他物质提供质子。
• The term "fluid" means a substance that can flow .
  所谓“流体”是指可流动的物质。
• It sucks off soil substances and grows very fast .
  它吮吸土壤中的物质，迅速成长。
• Carbon atoms provide the backbone of living matter .
  碳原子提供了生活物质的主链。
• Carbon atoms provide the backbone of living matter .
  碳原子提供了生命物质的骨架。
• Pelagic sediment contains tiny grain of material .
  远洋沉积物包含了微细物质颗粒。
• Wool also has a high settleable solid content .
  羊毛还含有沉淀性能极好的固体物质。
• Other substances were stirred in .
  其它物质被掺进去。