Anodynin
n. [生化]鎮痛素(血液中一種類激素物質)
??? 情景例句
Work harder and practice more.
要更加努力地學習，更加勤奮地操練。
What is the coldest region in this country?
這個國家最冷的地帶是哪里？
It's about four hundred yards down this street.
城堡就在這條街上，（離這兒）400碼左右。