Dynorphin
[化] 强啡肽
🗣️ 情景例句
I would hardly refer to junk mail as being literature.
我不会把那些垃圾邮件看成是文学。
If you trust before you try,you may repent before you die.
不经考验就依赖，不到瞑目便的悔。
He was smiling hopefully.
他满怀希望地微笑着。