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

Our lives have changed significantly due to the new coronavirus.

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

In order to prevent the spread of the new coronavirus, it is important to avoid the three Cs (Closed spaces, Crowded places, and Close-contact settings).

In order to prevent the spread of the new coronavirus, it is important to avoid the three Cs (Closed spaces, Crowded places, and Close-contact settings).

We installed fire alarms to defend our house against fire.

This new style smartphone has a lot of features.

He always changes the topic to avoid the problem.

He always changes the topic to avoid the problem.

He magnified the map to check the details.