日期：
来源：雅诚德英语网
The Coast Guard spokeswoman said she was unaware of any activity taking place on the Potomac River.
然后CNN联系到了海岸警卫队总部的公共关系部门, 他们的一位女发言人说,他不知道在potomac上面有任何事情发生.
The Coast Guard spokeswoman said she was unaware of any activity taking place on the Potomac River.
然后CNN联系到了海岸警卫队总部的公共关系部门, 他们的一位女发言人说,他不知道在potomac上面有任何事情发生.