exuberance
n[U]
state or quality of being exuberant 兴高采烈; 活跃; 愉快; 茁壮; 茂盛
the natural exuberance of young children 幼儿固有的活泼
The speaker's exuberance enlivened a boring conference. 讲演者谈笑风生, 使死气沉沉的会议顿添生气.
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.