filter

• The filter is now ready for operation .
  这种滤器目前即将投入运转。
• The first dubious snow had filtered down .
  头一场雪仿佛三心二意似地飘落。
• The particles can be collected on the filter paper .
  颗粒可捕集在滤纸上。
• A filter traps dust from the air .
  过滤网可存住空气中的尘埃。
• Shafts of sunlight filtered through the curtains .
  一道道阳光透过窗帘照进来。
• They filtered the water through the sand .
  他们用沙子滤水。
• The solid particles were filtered from the solution .
  固体颗粒从溶液中过滤出来。
• The filters would have to absorb nearly all the energy .
  滤光片几乎要吸收全部能量。
• Humic substances are known to coat membrane filters .
  腐殖质是已知能够覆盖滤膜的物质。