The siren went off, and everyone evacuated.

He was taken to the execution ground.

These chopsticks are made of aluminium.

He has a deep knowledge of music.

He was caught by the secret police.

The format of this book is B5.

In the last few minutes of the game, our team reversed the situation.

Diatoms are tiny marine organisms that produce oxygen and support the Earth's ecosystem.

This meter is capable of accurate measurement.

I heard the cry of a cock early in the morning.