billet doux
US /ˌbɪl.eɪˈduː/
UK /ˌbɪl.eɪˈduː/
名词
情书
a love letter
示例:
•
She found a secret billet-doux hidden under his pillow.
她在他的枕头下发现了一封秘密的情书。
•
The old romantic novel was full of passionate billet-doux.
那本古老的浪漫小说充满了热情的情书。