形容词
中文翻译:额外的
同义词:
['extra', 'additional', 'augmented']
例句:
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1.The extra cost of the hotel was unexpectedly high.
酒店的额外费用出乎意料地高。
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2.They added an extra layer of protection to the wall.
他们在墙上增加了一层额外的保护层。
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3.The extra effort he put in paid off with a successful project.
他额外付出的努力最终以一个成功的项目得到了回报。