light

• 形容物体重量小、不重，或颜色浅淡、明亮。

Describes something that has little weight, is not heavy, or has a bright or pale color.

1. Not heavyA1formal

   Having little weight; easy to lift or carry.

   轻

   • This bag is light; I can carry it easily.
   • Feathers are very light.
   • The light suitcase made travel convenient.

   同义词airyfeatherweightfeatherylightweightslight

   反义词heavyweighty

2. BrightA1formal

   Producing or reflecting a lot of light; not dark.

   明亮的

   • The room is light and airy.
   • She prefers light colors like white and yellow.
   • The light morning sun woke me up.

   同义词brightbrilliantglowingilluminatedluminousradiantshiningsunlit

   反义词darkdimdullgloomymurkyobscureshadowy

3. Not dense or heavyA2informal

   Containing little fat, alcohol, or other heavy substances.

   清淡的

   • This beer is light and refreshing.
   • I ordered a light salad for lunch.
   • She drinks light coffee with skim milk.

   同义词dietlightweightlitethinweak

   反义词denseheavysubstantialthickweighty

4. Easy or not seriousB1informal

   Not demanding much effort, time, or seriousness.

   轻松的

   • It's a light read for the beach.
   • The conversation was light and fun.
   • He made a light comment about the situation.

   同义词easyeffortlessfrivoloussimpleslightsuperficialtrivialundemanding

   反义词difficulthardheavyseriousweighty

• 副词，表示“以很小的重量或压力”或“轻轻地”，用于描述轻柔、不费力的动作；与形容词同形。

An adverb meaning "with little physical weight or pressure" or "easily." It is used to describe actions performed gently or without heaviness, identical in form to the adjective.

1. With little weight or forceB1informal

   Used to describe touching, sleeping, eating, etc., with little weight or pressure.

   轻轻地

   • She sleeps very light and wakes up easily.
   • He touched her lightly on the shoulder.
   • They ate lightly before the big meal.

   同义词delicatelyfaintlygentlymildlyslightly

   反义词hard

2. Without much seriousnessB2informal

   In a casual or not serious manner.

   轻率地

   • He took the criticism lightly.
   • She spoke lightly about her achievements.
   • Don't take the situation so lightly.

   同义词airilycarelesslycasuallyflippantlyfrivolouslylightlynonchalantly

   反义词gravelyseriouslysolemnly

• 电磁辐射中能被人眼感知的部分，也指光源或照明状态；也可表示使事物明亮或点燃。

A noun referring to electromagnetic radiation that can be perceived by the human eye, or the source or state of illumination.

1. Electromagnetic radiationA1formal

   The form of energy visible to the human eye, traveling in waves.

   光

   • Sunlight is essential for plants to grow.
   • The room was filled with bright light.
   • Turn on the light so we can see better.

   同义词brightnessglowilluminationluminescenceradiancevisible radiation

2. Device for illuminationA1formal

   A source or device that produces light, such as a lamp or bulb.

   灯具

   • The street light was flickering at night.
   • She bought a new reading light for her desk.
   • The traffic light turned red.

   同义词beaconbulbfixtureflashlightilluminantlamplanterntorch

3. Understanding or knowledgeB2formal

   Mental illumination or insight into a situation.

   领悟

   • The professor shed light on the complex theory.
   • New evidence came to light during the investigation.
   • He finally saw the light and understood the mistake.

   同义词awarenessclaritycomprehensionenlightenmentilluminationinsightknowledgeunderstandingwisdom

   反义词confusiondarknessignoranceobscurity

4. Traffic signalA2informal

   A set of colored lights used to control traffic flow.

   红绿灯

   • The light turned green, so we drove forward.
   • Wait for the light to change before crossing.
   • Traffic lights help prevent accidents at intersections.

   同义词robotsignalstoplighttraffic lighttraffic signal

• 动词，表示点燃某物使其燃烧，或照亮某处，或开启（灯光、设备等），也可引申为使人明白、告知。

A verb used to indicate the act of igniting or causing something to burn, or to illuminate.

不规则动词

1. Ignite or turn onA2formal

   To cause something to start burning or to turn on a light source.

   点燃

   • She lit the candles on the birthday cake.
   • He lit a cigarette outside the building.
   • Please light the fireplace; it's cold in here.

   同义词fireignitekindleswitch onturn on

   反义词blow outdouseextinguishput outquenchsmothersnuffstifle

2. IlluminateB1formal

   To provide light to an area or object.

   照亮

   • The street lamps light the road at night.
   • They lit the stage with colorful spotlights.
   • The moon lit the path through the forest.

   同义词brightenclarifyfloodlightilluminateillumineirradiatelightenspotlight

   反义词darkendimextinguishobscureshade

3. Descend or landB2formal

   To come down from the air and land, as an aircraft or bird.

   降落

   • The plane lit down safely on the runway.
   • The bird lit on the branch after flying across the lake.
   • The helicopter lit on the helipad during the storm.

   同义词alightcome downdescendlandperchrestsettletouch down

短语动词变体light uplight upon