DSL
noun [ U ] uk/ˌdiː.esˈel/ us/ˌdiː.esˈel/
数字用户线路（digital subscriber line的缩写）
abbreviation for digital subscriber line (= a system for sending and receiving information at high speeds over ordinary telephone lines)
In some respects, DSL is superior to cable for Internet access. 从某些角度看，数字用户线路在上网方面优于电缆。