My brother is a famous biologist.

I use a tram for commuting every day.

It is rumored that he is a member of a secret society.

The continental slope is a part of the seafloor topography, connecting the continental shelf and the deep sea floor.

He is a world-renowned ichthyologist.

The SI system is a standard unit system used worldwide.

My uncle is a famous zoologist.

He set the coffee cup on the table.

His victory was by a thin margin.

Spinner sharks can swim fast.