Caution! The site can't guarantee, that text has age permission. The site is not recommended, if you are less than 18 years old.
The site shows example sentences for English words. How the word or phrase could be used in a sentence?
" ... Over the course of four days, guests will go on hikes and field trips with Plait; Holly Brunkal, a professor of geology at Western State College in Gunnison; and David Armstrong, former professor at University of Colorado--Boulder and a specialist in biogeography and ecology. ... "