The boss is waiting in his office for us to come and explain why we failed to finish this work on time.
老板在他的办公室里等着我们前去说明未能按期完成这个工作的理由。
From these he can go on to appreciate more complex forms or combinations of several forms.
从这些形体出发,观赏者可进一步观察更为复杂的形体或若干形体的组合。