Naphthalan
(=noftan)萘烷
🗣️ 情景例句
Well, that's easy.
哦， 那很简单。
Health and cheerfulness mutually beget each other.
健康愉快，相生相成。
Then she touched me lightly on my arm and made me burst into laughter.
然后她轻轻地触摸我的手臂，使我哈哈大笑。