Tetrahydroxyflavanol
四羟基黄酮醇
🗣️ 情景例句
I'd be happy if you would go out with me.
你和我一起出去我会很高兴的。
What time does the ship leave?
船什么时间启航？
At exactly that moment, the telephone rang.
恰恰在此时，电话铃响了。