obverse
/ˈɔbvɜ:s; `ɑbvəs/ n
(fml 文)
1 face, side, or part of a thing that is most noticeable or intended to be seen or shown 正面; 前面; 主要的一面
[attrib 作定语]
the obverse side 正面.
2 side of a coin or medal that has the head or main design on it （货币或奖章的）正面
The head of the Queen appears on the obverse of British coins. 英国硬币的正面有女王的头像. Cf 参看reverse2 2.
3 counterpart; opposite 对应部分; 对立面
The obverse of love is hate. 与爱相对的是恨.