单词：gap of propeller blades
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今天我们要学的词组是gap。 Gap的意思是缝隙，差距。比如年龄的差距， age gap。贫富差距，the gap between the rich and the poor。收支差距，the gap between revenue and expense。 美国的一项调查结果说，美国
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今天我们要学的词组是gap。 Gap的意思是缝隙，差距。比如年龄的差距， age gap。贫富差距，the gap between the rich and the poor。收支差距，the gap between revenue and expense。 美国的一项调查结果说，美国
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In his report, Chinese Premier Li Keqiang said at least 10 million rural residents will be lifted out of poverty this year. And the country will lift 70 million people out of poverty by 2020, according to the draft outline of Chinas 13th Five-Year Pl
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