jpdb beta

The same phenomenon has been observed.

Let's observe sunspots.

I'm observing wild birds.

Last night, we watched the stars from the rooftop.

I bought a telescope in order to observe the night sky.

The sunrise is unobservable to physicists.

The doctor continued to observe the patient's behavior.

The boy observed the growth of the plant.

She observed how butterflies fly.

Bob derives pleasure from observing insects.

Observation is a passive science, experimentation an active science.

Close observation is necessary for the experiment.

He observed many types of creatures there.

The biologist concentrated on observing the phenomenon.

He picked up a mirror and examined his tongue.

The boy decided to observe and record honeybees in detail.

Ancient astronomers did not have instruments to help them see objects in the sky.

Observe his facial reaction when we mention a price.

The data presented in his book are not based on scientific observations.

The boy observed the birds all day.

Science is based on careful observation.