For all the intractable problems in our region, there is a sense of forward movement.
虽然我们的地区有太多棘手的问题，但这里却给人以阔步向前之感。
This has proved to be a major yet intractable part of the water pollution problem.
这已经证明是个主要的而又是个难控制的水污染问题。
Objective Looking for a kind of treatment intractable epistaxis safe and effective surgical method.
目的寻找一种治疗顽固性鼻出血的安全有效的手术方法。
We still have a lot of intractable diseases.
我们还有很多的疑难杂症。
We still have a lot of intractable diseases.
我们还有很多的疑难杂症。
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