energetic相关的词根或词缀是: ergert

Slight and energetic , she spoke fluent english .

她很苗条，精力充沛，说一口流利的英语。

It is an energetic exchange , but a risky one .

这是积极的互动，但却是冒险之举。

Drinking plenty of water is necessary to be energetic .

饮用足量的水，是保持旺盛精力的必要条件。

You want to be a bit healthier , and a bit more energetic .

你只想追求一种健康点的，精力充沛点的生活状态罢了。

The energetic and wily mr rubalcaba is the more obvious choice .

精力充沛、狡猾的卢巴卡巴是更明确的选择。