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开始学习

问题		答案
breakthrough 开始学习		a sudden, dramatic, and important discovery or development
great leap 开始学习		significant and notable progress; a huge step/jump forward
revolutionize 开始学习		change (something) radically or fundamentally
decade 开始学习		10 years
cell 开始学习		the smallest structural and functional unit of an organism
tremendous 开始学习		very great in amount or level, or extremely good
far-fetched 开始学习		very unlikely to be true, and difficult to believe
inconceivable 开始学习		impossible to imagine or think of
propel 开始学习		push or move something somewhere, often with a lot of force
cost-effectively 开始学习		saving or making a lot of money in comparison with the costs involved

lesson 150