英[sɔ:s] 　　美[sɔ:rs] 　　

n.root, origin; source, source of water; reason; person who provides information

vt. (obtained from...) ; initiate; provide information to...; seek the source (especially supply)

vi. Source of raw materials; origin; seek source; seek manufacturer (or provider)

Third person singular : sources plural: sources present participle: sourcing past tense: sourced past participle: sourced

html source tag syntax

Role:Define media resources for media elements (such as

Description:The tag allows you to specify alternative video/audio files for the browser to select based on its support for media types or codecs.

Note: The tag is a new tag in HTML 5.

html source tag example