形容词
中文翻译：近似的
同义词：
['near', 'roughly', 'approximately']
例句：
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1. The distance between the twocities is approximately 50 miles.
这两个城市之间的距离大约是50英里。
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2. Theprice of this product is approximately $100.
这个产品的价格大约是100美元。
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3. The time difference between thesetwo countries is approximately 4 hours.
这两个国家之间的时差大约是4小时。