Alstonidine
[化] 鸡骨常山次碱
🗣️ 情景例句
What can I do for you?
我能帮你什么忙？
He learns French every day.
他每天都学法语。
To varying degrees, we all have secrets which we do not want even our closest friends to learn,
尽管我们人人都有各种大小秘密。连最亲密的朋友都不愿让他们知道，