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VOA慢速英语:美国企业放眼太空
2018-06-03来源:和谐英语
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commercial – adj. related to the buying and selling of services or goods
executive – adj. related to the directing of people or things
geospatial – adj. the part of space near the earth
regular – adj. happening over and over again at the same time or in the same way
data – n. information that is collected for understanding something.
yield – n. the amount of product or crop that is produced
megabits – n. one million bits
opportunity – n. a good chance for improvement or progress
frontier – n. a distant area where few people live