使用环保的清洁产品是迈向更可持续生活的一小步。

Using ___greener cleaning products is a small step toward a more sustainable lifestyle.

新来的实习生比我们预想的还要青涩些。

The new intern is ___greener than we expected.

新长出的草比周围的叶子颜色更绿。

The newly grown grass is ___greener than the surrounding leaves.