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Single-celled organisms have the most basic form in the biological world.

His explanation was clear and simple to understand, and I was able to understand it immediately.

His explanation was clear and simple, and I was able to understand it immediately.

Sodium carbonate is often used in the manufacture of detergents and glass.

Carbonate of soda is a versatile substance that can be used for laundry and cleaning.

I am studying Japanese at a junior college.

He is doing special exercises to train his gluteus minimus muscle.

We are aiming to kill two birds with one stone with this plan.

His words held a double surprise, like 'isseki-rokuto'.