buoyancy

英 [ˈbɔɪənsi]

美 [ˈbɔɪənsi]

n.  浮力; 愉快的心情; (经济的)繁荣

TEM8化学

BNC.15508 / COCA.19259

柯林斯词典

• N-UNCOUNT 浮力
  Buoyancyis the ability that something has to float on a liquid or in the air.
  1. Air can be pumped into the diving suit to increase buoyancy.
     可以给潜水衣充气以增大浮力。
• N-UNCOUNT 乐观；开朗
  Buoyancyis a person's ability to remain cheerful, even in sad or unpleasant situations.
  1. I'll have to take stock, go carefully and regain my buoyancy.
     我将不得不审时度势，小心行事，同时保持乐观。
• N-UNCOUNT 愉快的心情
  Buoyancyis a feeling of cheerfulness.
  1. ...a mood of buoyancy and optimism.
     乐观愉快的心情
• N-UNCOUNT （经济的）繁荣
  There is economicbuoyancywhen the economy is growing.
  1. The likelihood is that the slump will be followed by a period of buoyancy.
     萧条过后经济有可能会出现一段时期的繁荣。

英英释义

noun

• irrepressible liveliness and good spirit
  1. I admired his buoyancy and persistent good humor
  Synonym:irrepressibility
• the tendency to float in water or other liquid
• the property of something weightless and insubstantial
  Synonym:airiness
• cheerfulness that bubbles to the surface
  Synonym:perkiness

双语例句

• Air can be pumped into the diving suit to increase buoyancy.
  可以给潜水衣充气以增大浮力。
• The latest designs are made of plastic which many athletes and coaches have said add buoyancy and speed.
  最新的设计由塑料制造，许多运动员和教练称这有助于增加浮力和速度。
• Closely related to the measurement of the gold crown is the matter of buoyancy.
  与测量金王冠密切相关的是浮力问题。
• There are two important numbers in the above analysis: possible losses, and the buoyancy of earnings.
  上述分析中有两个重要数字：可能的亏损和乐观的收益。
• The thermocapillary and buoyancy driven flow are included in the solution of momentum equations.
  动量方程求解中考虑了热表面张力与浮力联合驱动流。
• In this paper, the buoyancy lift of natural convection gas is analyzed in a hermetic chamber, and given the formula between the buoyancy lift and the change of temperature.
  分析了密闭腔中自然对流气体的浮升力，给出浮升力与温度变化的关系式。
• An mathematical expression of buoyancy frequency profile in some shallow waters is presented.
  给出了一些海区实测浮力频率剖面的数学模型。
• A mixture in which fine particles are suspended in a fluid where they are supported by buoyancy.
  细小的颗粒因浮力悬浮于流体上形成的混合物。
• Main driving force for migration of separate phase natural gas is buoyancy, and resistance is capillary force.
  在静水条件下，游离相天然气运移的主要动力是浮力，阻力是毛细管力。
• This technology is using current buoyancy change, floating body to control drain switch of passageway.
  该技术利用液流浮力变化驱动浮体升降来控制排水通道的开闭。