This shape is called a bicone.

Amorphous substances have characteristics different from crystals.

Natural language processing is a technology that allows computers to understand and analyze human language.

He is writing a thesis on abiogenesis.

Natural language understanding is an important field of artificial intelligence.

We are planning to visit the nature reserve this weekend.

He is an expert in physical anthropology, conducting research on human evolution.

This shape is called a gyrobifastigium.

This photo has a shallow depth of field, so the background is blurry.

His long talk is just like 'a hundred days of sermonizing without a fart.'