Definition: having or involving a lot of energy Level: B2
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.
