The next unit of water might not even exist if we cannot get smart enough to use our single supply of water well.

如果我们不能有效使用我们仅有的水资源的话，那么下一个单元的水将不复存在。

youdao

In recent years, is committed to water, ground source, air source heat pump unit development and use.

近年来致力于水源、地源、空气源热泵机组开发和利用。

youdao

According to domestic and foreign researchers on the use of science museums, the study established the instructional design of water unit and carry out STS teaching practice.

根据国内外研究者对利用科普场馆资源的教学研究基础，本研究确立水单元的教学设计方案，并进行STS教学实践。

youdao

To leverage its power, Walmart will ask its suppliers to quantify the amount of water, energy, fertilizer, and the pesticides they use, per unit of food produced.

FORBES: Walmart Flexes Its Sustainability Muscles