Spiropentane
螺戊烷
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
Nothing gives me more pleasure than learning English.
再也没有什么比学英语更让我高兴的事了。
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。