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Use "swifts" in a sentence
"They live on the ground among rocks in dry places and are called swifts on account of the speed with which they are able to get over the ground."
"Among this number are swallows, incapable of walking and seeking their prey, and the birds called swifts [1651] who live on little insects carried about by the air."
"He also likes stepped couplets and quick-fire bursts of poems in short, matched forms, like the ten 8-line "swifts" in Where's the Moon ...."