Anthanthrone
[化] 二苯并[cd,jk]芘-5,10-二酮
🗣️ 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货，但它日后可能要花掉更多的钱。
What is learnt in the cradle lasts (or is carried) to the grave.
小时学会的事情到老不会忘记。
But I must ask my parents first. What time shall I come?
不过我必须先问问父母。我几点钟来呢？