polar exploration معنى"polar exploration" أمثلة على "polar" معنى "exploration" معنى "polar" معنى "exploration" معنى "intermediate polar" معنى "polar (star)" معنى "polar air" معنى "polar amplification" معنى "polar anticyclone" معنى "polar aurora" معنى "polar bear" معنى "polar bears" معنى "polar behaviour" معنى "polar body" معنى "polar cap" معنى "polar cells" معنى "polar circle" معنى "polar climate" معنى "polar compound" معنى "polar corpuscle" معنى "polar cyclone" معنى "polar desert" معنى "polar experiment" معنى "polar explorers" معنى "polar front" معنى أمثلة During the (north) Polar Exploration of the early 20th century, Inughuit, northern Greenlandic Inuit, were found to be making iron knives from two particularly large nickel-iron meteors.
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