Allylprodine
[化] 烯丙羅定
??? 情景例句
Thank you, sir.
多謝，先生。
A heavy purse makes a light heart.
腰包錢財足，心境自然寬。
and in passing leaves and indefinable longing and regret.
并在消逝中給人留下不可名狀的渴望和惆悵。