We must protect our Earth.

Meaning: This sentence means that the speaker and others have an obligation to keep the third planet from the Sun safe from harm or danger.

Choice of Words: We is a pronoun that refers to the speaker and one or more other people. Must is a modal verb that expresses necessity or obligation. Protect means to keep safe from harm or danger. Our is a possessive adjective that refers to something belonging to the speaker or a group the speaker is part of. Earth is the third planet from the Sun.

Alternative Expressions

Related Expressions

• We must protect our planet.
• We must conserve water to protect the environment.
• We must protect trees for future.
• We must clean our room now.
• Protect bees, protect life.
• Protect plants, protect life.
• We wore safety goggles to protect our eyes.
• We should protect our green spaces.
• Trees give life, protect our planet.
• I must keep my secret safe.