Enkephalin
[化] 脑啡肽
🗣️ 情景例句
Fine. The bill comes to $ 300 even.
好。账单上总共是300元整。
I was writing some letters to friends of mine.
我在写一些信给我的朋友。
In 1860, a better plan was put forward by an Englishman, William Low.
1860年，一位名叫威廉。洛的英国人提出了一项更好的计划。