The megaphone(microphone) makes the voice sound louder because it points sound waves in one direction and keeps them from spreading out in all directions.

An oversight 遗漏 (miss, overslaugh) in proofreading often results in printed errors.

HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?

TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.

By the nineteenth century, embroidery on men's clothing had virtually disappeared except for the occasional decorative vest and tie.