larkishness

例句：

1. 1. The children were so lively and full of energy that they could hardly sit still.
   孩子们那么活泼、精力充沛，以至于他们几乎坐不住。
2. 2.The atmosphere was filled with a sense of buoyancy, as if the room had been lifted up by the spirit of the occasion.
   气氛充满了一种精神振奋的感觉，仿佛整个房间都被这种场合的精神所提升。
3. 3. The larksongs of spring are truly delightful, bringing a sense of liveliness to the dullwinter days.
   春天的鸟鸣真是令人愉悦，给沉闷的冬天日子带来了活力。