/ˈhʊkʌp/
: an arrangement or part by which pieces of equipment can be connected联播；连机；接通
The interview will be broadcast through a satellite hookup.
这次访谈将通过卫星联播。
The cabin has electric and water hookups.
这间小木屋通电通水。
telephone/computer/Internet hookups
电话/电脑/网络连
On the internet and in modern slang, hook up primarily means to engage in casual physical or sexual activity with someone, usually without any expectation of a committed relationship