They need to extract as much information as possible from the first or second reading.
他们需要从第一遍或第二遍的阅读中提取尽可能多的信息。
Did you know people are taking green tea extract as an aid to weight loss?
你知道吗,人们正在使用绿茶提取物来辅助减肥。
The oil was once considered too difficult and expensive to extract as it is a mixture of clay, water and bitumen.
之前这里的石油被认为太难开采,因为油层中粘土、水、沥青混在一起。
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