What does this sentence mean?

The cherry blossoms in the park are still half in bloom.

I practice writing Japanese essays every week.

This library adopts its own classification method.

I have a deep interest in French literature.

In that context, I can understand his remarks.

Considering his social status, he received special treatment.

I want to halve the amount of this recipe.

The calculation of an indefinite integral can be considered as the reverse operation of differentiation.

The calculation of definite integrals is an important part of calculus.