He went to school with his new schoolbag.

He is an expert in enzymology and conducts many researches.

We are planning to go to the science museum this weekend.

He is an expert in paleoanthropology, studying the lives of ancient humans.

He is a world-renowned osteologist.

His kimono was embroidered with his family's crest.

What does this sentence mean?

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

It's difficult to solve a part of this problem.

I'm feeling good today.