好词典

buoyancy

UK //ˈbɔɪ.ən.si//US //ˈbɔɪ.ən.si//

词源

源自16世纪法语 'bouance',原意为'漂浮',后经西班牙语 'boyante'(漂浮的)演变而来,最终与英语后缀 '-cy' 结合形成。

noun

❶ 物体在液体中浮起的能力,指物体因密度小于液体而自然漂浮的物理现象。

“The buoyancy of the boat keeps it afloat on the water.”

(船的浮力使它能够漂浮在水面上。)

“Salt water provides greater buoyancy than fresh water.”

(盐水的浮力比淡水更大。)

❶ 比喻乐观或积极向上的情绪状态,形容人面对困难时保持开朗的心态。

“Her natural buoyancy helped her overcome the challenges.”

(她天生的乐观帮助她克服了挑战。)

“Despite the setback, he maintained his buoyancy.”

(尽管遇到挫折,他仍保持乐观。)

同义词:floatability, lightness, resilience, cheerfulness, optimism

常见短语

buoyancy aid — 指帮助人或物体在水中保持浮力的装置,如救生衣或浮标。

“Always wear a buoyancy aid when kayaking.”

(划皮划艇时务必穿戴浮力辅助装备。)

buoyancy compensator — 潜水装备中用于调节浮力的装置,帮助潜水员在水中保持中性浮力。

“The diver adjusted his buoyancy compensator to ascend slowly.”

(潜水员调节浮力补偿器以缓慢上升。)