Frontier


El significado de la palabra Frontier es: an area that has not been fully explored


Ejemplos:

The science fiction program begins with a description of space as the final frontier.

published by Fernando on 2021-11-19 04:24:52


Because the scientists are working on genetic cloning, they are at the frontier of reproductive science.

published by Margo on 2021-08-15 12:52:31


The president hired explorers to travel across the country and map the uncharted frontier.

published by Sudie on 2022-01-07 04:14:02


When the astronaut put his foot down, he was the first human to step into the frontier known as Mars.

published by Marg on 2021-05-13 19:51:41


As the hikers moved through the tropical forest, they hoped the area would remain an undeveloped frontier.

published by Gertrude on 2021-07-27 16:31:08


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