adj.看涨的，保持高价的，繁荣的，愉快而充满信心的，乐观的，漂浮的，能够漂起的，有浮力的

The hot air balloon was buoyant, rising effortlessly into the sky.
热气球轻盈上升，毫不费力地飘入天空。
Her spirits were buoyant despite the difficult day she had experienced.
尽管经历了艰难的一天，她的心情仍然十分愉快。
The company's shares were buoyant following the announcement of record profits.
在宣布创纪录利润后，公司股价呈现出强劲上涨势头。
The raft was made buoyant by the sealed air pockets within its construction.
木筏通过其结构中的密封气囊保持浮力。
The economy showed unexpectedly buoyant growth in the last quarter.
上个季度，经济出乎意料地呈现出蓬勃增长。
He felt a sudden buoyant surge of hope as he saw her smile.
当他看到她的微笑时，心中突然涌起一阵乐观的情绪。
The boat was so buoyant that it could carry a heavy load without sinking.
这艘船非常有浮力，即使载重也能保持不沉。
After winning the championship, the team was in a buoyant mood during the celebration.
夺得冠军后，队伍在庆祝活动中情绪高涨。
Despite the rain, the crowd at the festival remained in a buoyant and festive spirit.
尽管下雨，节日上的人群依然保持着欢乐和喜庆的心情。
The market responded buoyantly to the government's new economic stimulus package.
市场对政府新推出的经济刺激方案反应积极。