GB

名词 gb:

1. a highly toxic chemical nerve agent that inhibits the activity of cholinesterase
   同义词：sarin
2. a unit of magnetomotive force equal to 0.7958 ampere-turns
   同义词：gilbert, Gi
3. a unit of information equal to one billion (1,073,741,824) bytes or 1024 megabytes
   同义词：gigabyte, G
4. a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland
   同义词：United Kingdom, UK, U.K., Great Britain, Britain, United Kingdom of Great Britain and Northern Ireland