n.[C]

1. 濾器；多孔過濾材料
   This is a coffee filter.

   這是咖啡過濾器。

2. 濾光器；濾波器；濾光鏡
3. 【口】有濾嘴的香菸

vt.

1. 過濾
   The water was filtered through charcoal.

   這水是透過炭來過濾的。

2. 濾除[（+off/out）]
3. 使漏過；使漏出

vi.

1. 濾出
2. 透過，滲透；（消息等）走漏；（人群等）慢慢移動[Q]
   News of the defeat filtered through.

   失敗的消息走漏了出來。

   Sunlight filtered through the leaves.

   陽光透過了樹葉。

n.

1. a porous device for removing impurities or solid particles from a liquid or gas passed through it.
   ▸a screen, plate, or layer which absorbs some of the light passing through it.
   ▸a device for suppressing electrical or sound waves of frequencies not required.
2. Brit. an arrangement whereby vehicles may turn left (or right) while other traffic waiting to go straight ahead or turn right (or left) is stopped by a red light.
3. Computing  a piece of software that processes data before passing it to another application, for example to remove unwanted material.

v.

1. pass through a filter.
2. (often filter in/out/through) move or pass into something slowly or gradually.
   ▸(of information) gradually become known.

[名]

1. ①過濾器。
2. ②濾光片；濾光鏡。
3. ③過濾嘴。