gb

/ˌjē-ˈbē/ (ame, mw)

gb — abbreviation

1. the short written form of gigabyte, a unit that measures how much information a

1.縮寫B1
釋義

the short written form of gigabyte, a unit that measures how much information a computer, phone, or memory card can hold

例句

Feng bought a phone with 256 GB of storage for his photos.

pattern: [number] GB of storage

The video file was 4 GB, so it took a long time to send.

GB used to state a file size

同義詞
  • gigabyte

    the full word; sounds slightly more formal in writing

  • gig

    the spoken short form, used in casual conversation

文法句型

[number] GB

[number]-GB + noun

GB of storage

用法筆記

Almost always written after a number, with or without a space. In speech, people read it as 'gig' or 'gigabyte', not as the two letters.

常見錯誤

❌My phone has GB storage.
✅My phone has 256 GB of storage.
💡GB needs a number before it; on its own it does not say how much.
❌I downloaded ten GBs of music.
✅I downloaded ten GB of music.
💡GB is the same in singular and plural; do not add an s.

2. the short written form of Great Britain, used as a country code on cars, passpor

2.縮寫B1
釋義

the short written form of Great Britain, used as a country code on cars, passports, sports lists, and similar labels

例句

Théo noticed a small GB sticker on the back of the silver car.

country code on a vehicle sticker

The medal table at the Games listed Kian under GB.

GB used in international sports lists

同義詞
  • Great Britain

    the full country name, used in ordinary writing

  • UK

    a wider label that also covers Northern Ireland

文法句型

GB on a label

made in GB

GB next to a flag

用法筆記

GB stands for Great Britain (England, Scotland, and Wales), while UK includes Northern Ireland as well. In running text, full names are normal; the short form is mainly for forms, labels, and sports lists.

常見錯誤

❌My friend is from GB.
✅My friend is from Britain.' / 'My friend is from the UK.
💡In normal sentences, use the full country name, not the label form.
❌GB and UK mean the same thing.
✅GB is Great Britain; UK also includes Northern Ireland.
💡They refer to slightly different areas.

3. the short written form of gigabit, a unit used to describe how fast information

3.縮寫B2
釋義

the short written form of gigabit, a unit used to describe how fast information moves through a network or cable

例句

The new home plan offers 1 Gb internet at a lower monthly price.

Gb used for an internet speed plan

Ife set up a 2.5 Gb/s connection between the office routers.

pattern: [number] Gb/s

同義詞
  • gigabit

    the full word; clearer when the size unit could be confused with gigabyte

文法句型

[number] Gb/s

[number] Gb per second

Gb internet

用法筆記

Distinguish from sense 1: capital B (GB) is gigabyte for storage, lowercase b (Gb) is gigabit for speed. One gigabyte equals eight gigabits, so the two numbers are not the same size.

常見錯誤

❌My internet is 100 GB per second.
✅My internet is 100 Gb per second.
💡Internet speeds use Gb (gigabit), not GB (gigabyte); the letters look almost the same but mean different units.