慢速英语:Nobel in Chemistry Goes to Makers of “World’s Smallest Machines”(翻译)
日期:2016-10-06
Words in This Story
tiny – adj. very small
ring – n. an object in the shape of a circle
axle – n. a long, straight object on which a wheel or other wheels turn
blade – n. a flat, turning part that is used on some machines to push air or water
medal – n. a piece of metal often in the form of a coin with designs and words in honor of a special event, a person, or an achievement
diploma – n. a document given in recognition of something
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