讲桌上有一本字典.英汉互译A dictionary is

问题补充：

讲桌上有一本字典.英汉互译A dictionary is

答案：

on the teachers desk

======以下答案可供参考======

供参考答案1:

a dictionary is on the desk.

dictionary:字典

desk：讲桌

供参考答案2:

lying on the table