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Pioneer
a person who is one of the first people to do something
one of the pioneers of modern science.
a pioneer heart surgeon.
a person who goes to an area and establishes farms, houses, etc
one of the first people to travel to a new country or area and begin living there, farming etc
John Whitney was a pioneer of computer animation
■ (also pioneer species) a plant or animal that establishes itself in an unoccupied area
a series of American space probes launched between 1958 and 1973, two of which provided the first clear pictures of Jupiter and Saturn (1973 - 79)
مهندس استحکامات ، پیش قدم ، سرباز مهندس حفار ، بیلدار ، پیشگام ، پیشقدم شدن [زیست شناسى]: پیشگام
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