英语听力精选进阶版 11107

 

Sound waves all around 09 Nov 12

Fri, 9 Nov 12

In today's programme Gemma Hunt is considering how sound waves have transformed mass communication and the many mobile devices we now depend upon. Assembly programmes for children aged¹ 7 - 11.

1 aged   

adj.年老的，陈年的

参考例句：

• He had put on weight and aged a little.他胖了，也老点了。
• He is aged,but his memory is still good.他已年老，然而记忆力还好。