obverse
noun /ˈɒbvɜːs/
/ˈɑːbvɜːrs/
(usually the obverse)
[singular]- (formal) the opposite of something
对立面；对应的事物 - The obverse of love is hate.
爱的反面是恨。
- The obverse of love is hate.
- (specialist) the side of a coin or medal that has the head or main design on it
（硬币或奖章的）正面
词源mid 17th cent. (in the sense ‘turned towards the observer’): from Latin obversus, past participle of obvertere ‘turn towards’, from ob- ‘towards’ + vertere ‘to turn’.