Corynoxeine
去氢钩藤碱
🗣️ 情景例句
Hi, John, how's it going?
嗨，约翰，你好吗？
Life is full of ups and downs.
人生沉浮多。
If the Houses of Parliament had not been burned down in 1834, the great clock would never have been erected.
如果不是国会大厦在1834年被焚毁的话，这座大钟永远也不会建造。