First, health.
1, pronunciation
British [helθ], American [helθ].
Step 2 explain
A person's physical or mental condition; Health; Medical treatment.
Second, safety.
1, pronunciation
English [se? F], beauty [se? f].
Step 2 explain
Health and safety.
Third, safety.
1, pronunciation
English [skjr? Ti], beautiful [skj? r？ ti].
Step 2 explain
Protective measures, safety work, safety department, safety department.
Fourth, the environment
1, pronunciation
English [? n？ va？ r？ nm？ Nt], beauty [? n？ va？ r？ nm？ nt].
Step 2 explain
The environment, objective environment, natural environment and ecological environment that affect the behavior or development of individuals or things.
Extended data
First of all, the antonym of health-weakness:
1, pronunciation
English [? Fi. Bl], beautiful [? Fi. bl].
Step 2 explain
Weak, weak, invalid.
Second, the antonym of security-danger:
1, pronunciation
English [? De? Nd(r)], beauty [? De? ndr].
Step 2 explain
Danger, risk.