Bracteine
苞罂粟碱
🗣️ 情景例句
I have been exposed to languages such as English, Spanish, and French.
我接触过英语、西班牙语和法语。
Easier said than done.
说时容易做时难。
I am busy. How is your business？
我很忙。你的生意做得怎样？