形容词
中文翻译：大约的
同义词：
['near', 'approximately', 'roughly']
例句：
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1.The temperature is approximately 20 degrees Celsius.
温度大约是20摄氏度。
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2. She estimated the time of arrival to be approximately two hours.
她估计到达时间大约是两个小时。
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3. We need an approximate formula to solve this problem.
我们需要一个近似公式来解决这个问题。