two-sided
/ˈtuːˈsaɪdɪd/adjective
1- having two sides两边的; 双边的：
a colourful two-sided leaflet.
双面彩色传单。
1.1
- having two aspects有两重性的; 有争议的; 两方面的：
the two-sided nature of the debate.
这一辩论的两重性。