回收利用主要是通过节约能源来改善环境。

Recycling helps the environment mainly by saving energy.

youdao

每户家庭都减少了50%的电力消耗，主要是通过使用低功率电器和太阳能电池板来减少耗电。

Every home cuts power consumption by 50%, mostly by using low-power appliances and solar panels.

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对于肥胖的治疗方式也主要是通过更合理的饮食和健身来控制体重。

Treatment has been mainly centered on helping individuals curb their weight through better diet and fitness.

youdao

Glucose has to get into cells, that's the main source of energy source that cells use, metabolism of glucose.

但葡萄糖又必须进入细胞,因为它是细胞能量的主要来源,即通过葡萄糖代谢产生能量

耶鲁公开课 - 生物医学工程探索课程节选

Amazon is the main place.

主要是通过亚马逊网站。

美国的出版市场 - SpeakingMax英语口语达人

Well, I think we recognize it all the time, and we recognize it all the time by the way in the writing life.

我觉得我们一直,都了解它的存在,了解的方式主要是通过写作。

普林斯顿公开课 - 人性课程节选