Lenk
[医][=leucine-enkephalin]亮氨酸-脑啡肽
🗣️ 情景例句
No. I'm from Shanghai.
不是，我是从上海来的。
That which was bitter to endure may be sweet to remember.
苦楚往日难忍受，记起也许甜心头。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；