[] a connection formed between two things, for example two companies or two broadcasting systems（指两个事物如两家公司或两个广播系统的）连接，联系◆There are rumours of a link-up between the two big carmakers.有谣传说两家大汽车制造商要联合。◆a video link-up with the conference视频与会议的连接➡link up (with sb/sth) at link verb