Flavan
黄烷
🗣️ 情景例句
I know what you mean. I'v been there.
我明白你的意思。 我深有体会。
I'm a graduate of Yale University, I have a Doctor of philosophy degree.
我是耶鲁大学的毕业生，我有哲学博士学位。
What's the time?
几点了？