Which is a basic, or alkaline compound.

这是一种碱性或碱性化合物。

Which is a basic, or alkaline compound. Which is why we call these things alkaline batteries.

这是一种碱性或碱性化合物。这就是为什么我们称这些东西为碱性电池。

For each step a robot took, a chemical system would need to keep pumping acidic and alkaline compounds into the hydrogel shoes.

对于机器人迈出的每一步， 化学系统都需要不断将酸性和碱性化合物泵入水凝胶鞋中。