n.過濾器；濾色鏡；濾光器

v.過濾；滲透

We usually clear the water with a filter. 我們通常用過濾器使水凈化。

You can also filter to focus on specific areas. 你也可以設(shè)置過濾器來只關(guān)注一些特定的區(qū)域。

Filter selection is made using inherent spectra. 濾色鏡的選擇必須利用固有光譜。

A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged. 為了不使藍光進入相機而成像，可在相機的透鏡前加一黃濾色鏡。

The filter funnels the signals received from many directions into separate photodetectors and improves reception by combining the energies of the beams. 濾光器把來自許多方向的訊號導入個別的感光器，并將光束能量合并以改善接收品質(zhì)。

It won't take long to filter the coffee. 用不了多少時間就可以把咖啡過濾好。

We must filter out the dirt. 我們必須濾除塵垢。

The sunlight filtered through the curtains. 陽光透過窗簾映了進來。

The news of the defeat started to filter through. 戰(zhàn)敗的消息開始傳出來。

filter的基本意思是“過濾”“濾清”,用于液體或光線等。引申可指消息“走漏”。

filter可用作及物動詞也可用作不及物動詞。用作及物動詞時,接名詞或代詞作賓語,可用于被動結(jié)構(gòu)。

filter接into,表示“滲入”; 接out表示“濾出”“泄露出去”; 接through,可表示“濾過”“透過”。