逗号

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  • n.used in writing and printing between parts of a sentence or between things in a list. A comma is a punctuation mark
n.
1.
comma (,), the symbol , used in writing and printing between parts of a sentence or between things in a list. A comma is a punctuation mark

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard