Beta endorphin
内啡肽
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
[化] 内啡肽
🗣️ 情景例句
This job is killing me.
这活儿都快把我累死了。
A journey of a thousand miles begains with a single step.
千里之行，始于足下。
So she was first in the queue. She sat nearest to the doctor's door.
所以她第1个排队。她坐的位子靠医生的门口最近。