Meaning: This sentence describes the natural behavior of birds singing in trees.
Choice of Words: Birds are animals that have feathers and wings. They make sounds called "songs". They live in trees, which are tall plants with branches and leaves.
Alternative Expressions
The birds are singing in the trees.
Meaning: This sentence describes the current activity of a specific group of birds, which is singing in the trees.
Choice of Words: This sentence starts with "The birds," which is a specific group of birds being referred to. "Are singing" is the present continuous tense of the verb "to sing," indicating that the action is happening right now. "In" indicates the location where the singing is taking place, which is "the trees."
The birds' songs echo through the trees.
Meaning: This sentence describes the effect of the birds' singing, which is that their songs can be heard resonating through the trees.
Choice of Words: This sentence starts with "The birds' songs," which refers to the musical compositions produced by the birds. "Echo" is a verb that describes the repetition of a sound, often caused by reflection off surfaces. "Through" indicates the path that the sound is taking, which is "the trees."