Meaning: The sound of birds singing is bouncing off the sides of the valley and can be heard again.
Choice of Words: Echo: a sound reflected from a surface and heard a second time.
Alternative Expressions
The birds are singing in the valley, and you can hear their song everywhere you go.
Meaning: This means that the valley is filled with the sound of birds singing.
Choice of Words: **The birds are singing** means that the birds are making a sound with their voices. **In the valley** means that the birds are singing in the low area between two mountains or hills. **You can hear their song everywhere you go** means that you can hear the birds singing no matter where you are in the valley.
The valley is filled with the beautiful sound of birds singing.
Meaning: This means that the valley is a very nice place to be because it is filled with the sound of birds singing.
Choice of Words: **The valley is filled** means that the valley is completely covered with something. **The beautiful sound of birds singing** means that the sound of the birds singing is very nice to listen to.