Tetanthrene
四氢化菲
🗣️ 情景例句
Are you kidding?
在开玩笑吗?
The train is comfortable.
坐火车很舒服。
Oh, we can call it Mid-Autumn Day. We eat mooncakes on that day.
噢，我们管它叫中秋节。过节那天我们吃月饼。