Beta-endorphin
β-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
Nothing ventured, nothing gained.
不入虎穴，焉得虎子。
I know the boy whose father is a painter.
我知道那个男孩的父亲是画家。
In a short time I was busy mixing butter and flour and my hands were soon covered with sticky pastry.
不一会儿我就忙着调拌起了黄油和面粉，很快我的手上就沾满了粘粘的面糊。