Penk
abbr. preproenkephalin 前脑啡肽原
🗣️ 情景例句
mashed potatoes, and a tossed green salad to begin with.
马铃薯泥， 还有蔬菜沙拉当头道菜。
She's head over heels in love with him.
她深深地爱上了他。
This is supposed to induce pleasurable sensations in the elephant,
据说这是为了使象产生愉快的感觉，