Meaning: This sentence describes how cats were making loud noises to call for help.
Choice of Words: Meow is the sound that cats make. Loudly means making a lot of noise. Help means assistance or support given to someone in need.
Alternative Expressions
The cat is meowing loudly because it's hungry.
Meaning: This means that the cat is making a lot of noise because it wants food. It's like saying, The cat is meowing loudly because it's dinnertime.
Choice of Words:The cat is a specific feline animal being referred to. Is meowing means that the cat is making a "meow" sound. Loudly means making a lot of noise. Because is a word that shows the reason for something happening. It's hungry means that the cat needs food. When you put it all together, "The cat is meowing loudly because it's hungry" means that the cat is making a lot of noise because it needs to eat.
The cat's meow is very loud.
Meaning: This means that the cat makes a lot of noise when it meows. It's like saying, The cat's meow is so loud that I can hear it from the other room.
Choice of Words:The cat's shows that the meow belongs to the cat. Meow is the noise that cats make. Is is a verb that shows that something exists or is happening. Very means to a great extent or degree. Loud means making a lot of noise. When you put it all together, "The cat's meow is very loud" means that the cat is making a lot of noise when it meows.