converse
/kənˈvɜ:s; kən`vəs/ v[I, Ipr, Ip]
~ (with sb) (about sth); ~ (together) (fml 文) talk 交谈
She sat conversing with the President. 她坐著与总统交谈.
converse / ˈkɔnvɜ:s; `kɑnvəs/ the converse n [sing]
1 the opposite 相反的事物: He says she is satisfied, but I believe the converse to be true
she is very dissatisfied. 他说她已心满意足了, 不过我认为实际情况相反: 她很不满意.
2 (in logic) statement made by reversing two elements of another statement （逻辑学）反题（将一语句中的两个成分颠倒後所成的语句）
`He is happy but not rich' is the converse of `He is rich but not happy'. ｀他乐而不富＇是｀他富而不乐＇的反题. converse adj [usu attrib 通常作定语]
opposite to sth 与（某事物）相反的; 逆的
They hold converse opinions. 他们持相反意见. conversely adv
You can add the fluid to the powder or, conversely, the powder to the fluid. 可以将液体加到粉末里, 或者相反, 将粉末加到液体里.