Buoyancy
['bɒɪənsɪ] or ['bɔɪənsi]
解释:
(noun.) the tendency to float in water or other liquid.
(noun.) cheerfulness that bubbles to the surface.
凯瑟琳编辑--From WordNet
解释:
(n.) The property of floating on the surface of a liquid, or in a fluid, as in the atmosphere; specific lightness, which is inversely as the weight compared with that of an equal volume of water.
(n.) The upward pressure exerted upon a floating body by a fluid, which is equal to the weight of the body; hence, also, the weight of a floating body, as measured by the volume of fluid displaced.
(n.) Cheerfulness; vivacity; liveliness; sprightliness; -- the opposite of heaviness; as, buoyancy of spirits.
埃米尔编辑
同义词及近义词：
n. [1]. Lightness, levity, specific lightness.[2]. Vivacity, liveliness, sprightliness, cheerfulness, GAYETY.
手打:莉莲
例句:
- They dispersed about the room, reminding me, by the lightness and buoyancy of their movements, of a flock of white plumy birds. 夏洛蒂·勃朗特. 简·爱.
- Strong bulkheads, and double bottoms with air-tight compartments, impart buoyancy in case of collision. Edward W. Byrn. 十九世纪发明进展.
- She had noted the slight, dry cough, the daily brightening cheek; nor could the lustre of the eye, and the airy buoyancy born of fever, deceive her. 哈丽叶特·比切·斯托. 汤姆叔叔的小屋.
- The swifter craft are seldom equipped with large buoyancy tanks, since the added bulk of them tends to reduce a vessel's speed. 埃德加·赖斯·巴勒斯. 火星战神.
- She could not herself have explained the sense of buoyancy which seemed to lift and swing her above the sun-suffused world at her feet. 伊迪丝·华顿. 快乐之家.
- Tippins all abroad about the legs, and seeking to express that those unsteady articles are only skipping in their native buoyancy. 查尔斯·狄更斯. 我们共同的朋友.
- The condenser stood in a large cold-water cistern, and the weight of the masonry and the cistern greatly detracted from the boat’s buoyancy. 鲁伯特·萨金特·荷兰. 历史性发明.
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