Meaning: This sentence describes how firemen brought the cats down from the tree safely.
Choice of Words: Carry means to hold and move something. Down means from a higher to a lower place. Safe means free from harm or danger.
Alternative Expressions
Firefighters rescue cats from danger.
Meaning: This means that firefighters help cats who are in danger from a fire.
Choice of Words:Firefighters are the same as firemen. Rescue means to save someone from danger. Danger means something that could hurt or kill someone.
Brave firefighters protect cats from fires.
Meaning: This means that firefighters are brave people who help keep cats safe from fires.
Choice of Words:Brave means not afraid. Protect means to keep someone safe from harm. Fires are hot and dangerous and can hurt or kill people and animals.