buoyancy
US /ˈbɔɪ.ən.si/
UK /ˈbɔɪ.ən.si/
1.
浮力, 浮性
the ability or tendency of something to float in water or other liquid or in the air
:
•
The boat's excellent buoyancy kept it afloat even in rough seas.
船隻出色的浮力使其即使在波濤洶湧的海面上也能保持漂浮。
•
Helium balloons demonstrate the principle of buoyancy.
氦氣球展示了浮力的原理。
2.
樂觀, 開朗, 活潑
an optimistic and cheerful disposition
:
•
Despite the setbacks, her natural buoyancy helped her stay positive.
儘管遭遇挫折，她天生的樂觀幫助她保持積極。
•
His buoyancy in the face of adversity was truly inspiring.
他在逆境中的樂觀精神確實令人鼓舞。