He is involved in drug discovery research.

This fertilizer helps plant growth.

I opened the medicine packet and took the medicine inside.

I scooped and drank the soup with a spoon.

I scooped and drank the soup with a spoon.

In this experiment, we will use an indicator to observe the reaction between acids and bases.

I'm sorry, but I don't speak Japanese.

I'm a Muslim, so I fast during Ramadan.

I'm Jewish.

She used to be a prostitute, but now she has started a new life.