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The site shows example sentences for English words. How the word or phrase could be used in a sentence?
" ... "The sheaths of myelin, the fatty membrane that surrounds the axons, continue to mature well into childhood and even adolescence. Their main role is to provide electrical insulation and, as a result, increase the speed and fidelity with which neuronal discharges propagate to distant sites in the brain." ... "
" ... Elisa and I rented a car for $55 and set out on a loop around the western and southern parts of the island. We stopped at beaches for a walk in the sand and in towns that looked cute. We met a Milanese craftsman who moved to Elba and set up shop in a former bakery (oven still intact) where he sells his handmade medieval and Renaissance leather shoes, masks, and other accouterments. Why? Because this is his passion, that's why, and he is totally undeterred by the fact that the modern world doesn't have much demand for archery sheaths and sword holders. What a wonderful kook. ... "
" ... You might think of the sheath as analogous to the disposable hypodermic needle, now a staple of modern medicine. Prior to the 1950’s, however, medical needles were routinely reused, and attempting to sterilize them after each use was inefficient and at times unsuccessful. Switching to disposable needles - so that no two people ever share the same one - was a brilliant idea whose time had come, yet it still took a while to have widespread adoption in the medical and patient communities. Similarly, using disposable sheaths in endoscopy should be the next revolution in endoscopy. ... "