形容词中文翻译
中文翻译：长期的
同义词：
['protracted', 'long-lasting例句：1. The project has been in progress for a yearlong period.（这个项目已经进行了一年了。）2. The company has been operating for over 50 years.（这家公司已经运营了50多年。）']
例句：
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1. The project has been in progress for a yearlong period.
这个项目已经进行了一年了。
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2. The company has been operating for over 50 years.
这家公司已经运营了50多年。
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3. The relationship between the two countries has been yearlong.
两国之间的关系已经持续了很长时间。