n.过滤器；滤色镜；滤光器
v.过滤；渗透
We usually clear the water with a filter. 我们通常用过滤器使水净化。
You can also filter to focus on specific areas. 你也可以设置过滤器来只关注一些特定的区域。
Filter selection is made using inherent spectra. 滤色镜的选择必须利用固有光谱。
A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged. 为了不使蓝光进入相机而成像，可在相机的透镜前加一黄滤色镜。
The filter funnels the signals received from many directions into separate photodetectors and improves reception by combining the energies of the beams. 滤光器把来自许多方向的讯号导入个别的感光器，并将光束能量合并以改善接收品质。
用作动词 (v.)It won't take long to filter the coffee. 用不了多少时间就可以把咖啡过滤好。
We must filter out the dirt. 我们必须滤除尘垢。
The sunlight filtered through the curtains. 阳光透过窗帘映了进来。
The news of the defeat started to filter through. 战败的消息开始传出来。
filter的基本意思是“过滤”“滤清”,用于液体或光线等。引申可指消息“走漏”。
filter可用作及物动词也可用作不及物动词。用作及物动词时,接名词或代词作宾语,可用于被动结构。
filter接into,表示“渗入”; 接out表示“滤出”“泄露出去”; 接through,可表示“滤过”“透过”。
