led

• 发光二极管（Light-Emitting Diode）的缩写，一种半导体器件，电流通过时会发光，光的颜色取决于所用材料。

An acronym for Light-Emitting Diode, a semiconductor device that emits light when an electric current passes through it; the color of the light depends on the material used.

专有名词

1. Light-emitting diodeB2formaltechnical

   A semiconductor device that emits light when an electric current passes through it, with the color depending on the material used.

   发光二极管

   • The new television uses LED technology for a brighter display.
   • LED bulbs are more energy-efficient than traditional incandescent lights.
   • The indicator light on the device is a small red LED.

   同义词light-emitting diode

• 表示引导、带领、领导或指挥某人或某事物的动词。也指导致、通向或处于领先地位。

A verb used to indicate guiding, directing, or being in charge of a group or activity.

不规则动词

1. Guide or directA2formal

   To show the way or direct someone or something to a destination.

   带领

   • She led the tourists through the museum.
   • He led the team to victory.
   • The path led us to the beach.

   同义词conductdirectescortguidenavigatepilotshepherdsteerusher

   反义词followmisdirectmislead

2. Be in first positionA2formal

   To be in the first place in a race, competition, or ranking.

   领先

   • Her team leads the league standings.
   • He leads by two points in the election.
   • The company leads the market in innovation.

   反义词followtrail

3. Cause or result inB1formal

   To cause something to happen or to have a particular result.

   导致

   • Too much sugar leads to health problems.
   • This decision will lead to better outcomes.
   • His actions led to his dismissal.

   同义词bring aboutcausegenerateinduceproduceprompttrigger

4. Live or spend timeB2formal

   To pass or spend time in a particular way.

   度过时光

   • They lead a simple life in the countryside.
   • She leads a busy lifestyle.
   • He leads an active life full of travel.

   同义词havelivepassspend

短语动词变体lead offlead onlead up