她是一位精力充沛的年轻女性，总是主动做志愿者。

She is an ___energetic young woman who always volunteers.

我尝试过有氧运动，但它对我来说太耗费精力了。

I tried aerobics but it was too ___energetic for me.

我的祖父就他的年龄而言，精力出奇地充沛。

My grandfather is surprisingly ___energetic for his age.