在另一些黑粉病中孢子形成无覆盖的黑色粉末。

In other smuts the spores form an uncovered mass of black powder.

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无覆盖的；无壳的：无罩的，尤指常用的东西。

Having no covering, especially the usual one.

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距离覆盖13万无保居民的目的，该州还是路漫漫其修远兮，然而所用补助已显示出超过预期。

The state is a long way from covering its 130,000 uninsured citizens, while the subsidies are proving costlier than expected.

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