This rodenticide is particularly effective against mice.

Hydrocarbon is a basic element of chemical reactions.

He is an expert in enzymology and conducts many researches.

My great-great-grandmother is still healthy and living a long life.

I have been to Kaliningrad.

He couldn't recognize the character.

The sheep are baaing on top of the mountain.

I received a perfect attendance award.

He blushed, feeling a sense of shame.

She brought up her child alone.