名词中文翻译
中文翻译：次级海岸
同义词：
['subordinate coast', "secondary shoreline例句：1. The city's second-tier economy is booming.（这个城市的二级经济正在蓬勃发展。）"]
例句：
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1. The city's second-tier economy is booming.
这个城市的二级经济正在蓬勃发展。
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2. The second-tier cities are the backbone of the country's economy.
二级城市是国家经济的支柱。
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3.The second-tier citizens have a lower standard of living than their first-tier counterparts.
二级公民的生活水平低于一级公民。