Coral reefs are very important for marine ecosystems.

Postnatal care is very important.

The success of this recipe depends on the accurate combination of ingredients.

He combined the ingredients accurately to create a new recipe.

I think this sentence is a mistranslation.

He mistranslated the document.

We went to see a coral reef during summer vacation.

Coral reefs play a very important role in the marine ecosystem.

We came together at the station.

My birthday is on the fifteenth.