bubble

/ˈbʌbl/ (bre, ipa) · /ˈbʌbl/ (ame, ipa) · /ˈbə-bəl/ (ame, mw) · /ˈbʌb.əl/ (bre, ipa) · /ˈbʌb.əl/ (ame, ipa)

bubble — noun

1. a small round space holding gas inside liquid or another material

1.名詞A2
釋義

a small round space holding gas inside liquid or another material

例句

Tiny bubbles rose in the soup as the pot started to boil.

bubbles rise to the surface

An air bubble was trapped under the phone screen protector.

air bubble in [something]

同義詞
  • globule

    more technical and less common in everyday speech

  • bead

    used for a tiny round drop or particle, not always gas

  • pocket

    broader; can describe a space holding air, though not always round

文法句型

air bubble in [something]

bubbles rise to the surface

a bubble under [surface]

用法筆記

Often used for liquid, glass, plastic, or a surface layer. Distinguish from sense 2: this sense is the small pocket of gas itself, not the floating soap ball children blow.

常見錯誤

There are many foams in the water.
There are many bubbles in the water.
💡a bubble is one round pocket of gas; foam is a mass of many bubbles.

2. a thin round shape of soapy water with air inside that floats in the air

2.名詞A2
釋義

a thin round shape of soapy water with air inside that floats in the air

例句

Noa blew a huge bubble that drifted over the garden fence.

blow a bubble

A soap bubble landed on Ravi's sleeve and burst at once.

a bubble bursts

同義詞
  • balloon

    also filled with air, but made of rubber or similar material, not liquid film

  • orb

    describes the round shape, but does not imply soap or air inside

文法句型

blow a bubble

blow bubbles

a bubble bursts

用法筆記

Usually refers to the playful floating balls made with soap and water. Distinguish from sense 1: sense 1 can be inside liquid or glass, but this sense floats freely in the air.

3. a period when prices or success rise fast in a way that cannot continue and then

3.名詞C1
釋義

a period when prices or success rise fast in a way that cannot continue and then suddenly fails

例句

Cheap loans fed a housing bubble across the whole coastal region.

housing bubble

Many traders ignored warnings while the tech bubble kept growing.

tech bubble

同義詞
  • boom

    a broader rise in business or prices; it does not always suggest collapse

  • mania

    stresses excited public behavior more than the market structure itself

  • surge

    focuses on the fast rise, without the built-in idea of a crash

反義詞
  • slump

    a period of falling activity or prices

  • collapse

    the sudden failure that often follows a bubble

文法句型

housing bubble

tech bubble

the bubble bursts

用法筆記

Most often used for markets, prices, investment, or a short-lived period of growth. Distinguish from sense 4: this sense is about a rise that collapses, not about only hearing views like your own.

常見錯誤

The housing market is in a boom bubble forever.
The housing market is in a bubble.
💡a bubble already includes the idea that the boom is unstable and may end badly.

4. a situation where someone mostly meets familiar people and keeps hearing ideas t

4.名詞C1
釋義

a situation where someone mostly meets familiar people and keeps hearing ideas that already match their own

例句

Kai lives in an online bubble and rarely reads opposing views.

live in a bubble

The campus debate helped students step outside their political bubble.

step outside your bubble

同義詞
  • echo chamber

    more explicit about hearing the same opinions repeated back

  • cocoon

    suggests being protected or cut off, often with less focus on opinions

  • silo

    often used for groups that do not share information with others

反義詞

文法句型

live in a bubble

step outside your bubble

social media bubble

用法筆記

Common in discussion of media, politics, and online life. Distinguish from sense 5: this sense is metaphorical and about limited experience or opinion, not an organised health-protection group.

常見錯誤

I live in a bubble with my school friends' (when you mean disease rules).
I am in a school bubble.
💡sense 4 is metaphorical; sense 5 is the public-health grouping meaning.

5. a small set of people who stay close to one another but limit contact with every

5.名詞B2
釋義

a small set of people who stay close to one another but limit contact with everyone else, often to reduce infection

例句

Our school bubble ate lunch together in the same classroom.

school bubble

The team formed a travel bubble before the tournament in Seoul.

travel bubble

同義詞
  • pod

    a common near-equivalent in health and school settings

  • group

    more general and does not itself suggest limited outside contact

  • circle

    informal and broader; often refers to friends rather than a rule-based set

反義詞

文法句型

school bubble

travel bubble

form a bubble

用法筆記

Used mainly in public-health or travel rules. Distinguish from sense 4: here the group is planned to control contact, not a social or opinion world that happens naturally.

bubble — verb