Endorphin
[化] 内啡肽
🗣️ 情景例句
I promised you a surprise, didn't I?
我答应过要给你一件惊喜， 不是吗？
If he had only had enough money,he would have bought that house.
如果他仅仅有了足够的钱，他就会买那房子。
OK, said Jim. We can have some for our picnic lunch.
“好，”吉姆说，“我们午餐可以吃点香蕉。”