The insect is sensing its surroundings using its antennae.

He was carefully observing the surroundings.

I will work using this laptop.

His hobby is collecting insects.

We must strive to protect the environment of the Earth.

You need to use your head to solve this problem.

He is using that coat from winter to spring.

He is an expert in entomology, especially knowledgeable about butterflies.

Insects are an important part of the natural world.

He is world-famous as an entomologist.