The government declared a state of emergency to prevent the spread of the new coronavirus.

Hand washing and wearing masks are important for the prevention of COVID-19.

Due to the earthquake, the city declared a state of emergency.

Our lives have changed significantly due to the new coronavirus.

Our lives have changed significantly due to the impact of the coronavirus.

We installed fire alarms to defend our house against fire.

He read out the declaration of freedom.

He declared his love.

In order to resolve this situation, everyone's cooperation is necessary.

This new style smartphone has a lot of features.