慢速英语:Scientists Create Method to Test Food and Drugs for Purity

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短语讲解：

1. The company says testers can take a picture with their phone and then compare it to information in the computer program.

compare to 把…比作， 喻为; 与…相比
例句：Cultural life in the country cannot compare to that of a large city.
农村的文化生活不能与大城市的相比拟。

2. “If we can’t increase the capacity of analytical labs in the developing world, maybe we can come up with a way to bring that technology in a portable form that will be usable in the field.”

come up with 想出; 提出; 追赶上
例句：Several of the members have come up with suggestions of their own
有几位成员提出了自己的建议。