Indanone
[化] 二氢茚酮
🗣️ 情景例句
and some brushes and some paint.
刷子和油漆。
He that has no children knows not what is love.
没有孩子的人，不懂什么叫爱。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。