medium

/ˈmidiəm/

a means or instrumentality for storing or communicating information

中文释义：媒介；手段

Television remains a powerful medium for advertising and entertainment.

电视仍然是广告和娱乐的强大媒介。

Social media has become a popular medium for sharing news and opinions.

社交媒体已成为分享新闻和观点的流行媒介。