The pattern should support efficient updates of the preferred source, but this is somewhat problematic.

该模式应该支持对首选源的高效更新，但是这可能会带来问题。

youdao

The result is the same as for type 1 diabetes -- glucose builds up in the blood and the body cannot make efficient use of its main source of fuel.

结果和1型糖尿病一样--葡萄糖组成了血液，身体不能有效的利用它的主要能源。

youdao

The aquarium's director thinks that a lot of eels could power an even bigger tree, although I'm not sure that eels are the most energy efficient alternative source for electricity.

水族馆的负责人称，尽管我还不能确定电鳗是最有效的替代电源，但我想如果有许多条电鳗，将会点亮一棵更大的树。

youdao

LatticePower, started by a physicist with skills and experience honed in China, is a good example of this new trend with its breakthrough technology for making a highly efficient source of light.

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The next is that run through a fuel cell, hydrogen is an efficient source of energy.

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"It's the most benign and efficient source of energy that I can imagine, " he says.

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