weightlessness

英 [ˈweɪtlɪsnɪs]

美 [ˈweɪtləsnəs]

n.  失重；无重状态

医学化学

BNC.37075 / COCA.22320

柯林斯词典

• ADJ-GRADED 无重量的;轻的
  Something that isweightlessweighs nothing or seems to weigh nothing.
  1. Photons have no mass—they are weightless.
     光子没有质量——它们是无重的。
  2. ...weightless silk curtains.
     轻柔的丝质窗帘
• ADJ 失重的
  A person or object isweightlesswhen they are in space and the earth's gravity does not affect them, so that they float around.
  1. Helen described life in a weightless environment during her period in space.
     海伦描述了她身处太空时失重状态下的生活。

英英释义

noun

• the property of being comparatively small in weight
  1. the lightness of balsa wood
  Synonym:lightness

双语例句

• Could people live in the weightlessness of space for that long?
  人类在太空失重的条件下能不能生存那样长的时间呢？
• Explain the short-term and long-term physiological consequences of weightlessness.
  解释长期和短期无重状态下的生理学影响。
• Astronauts in flight must adjust to weightlessness.
  宇航员在飞行中得适应失重状态。
• The astronauts will soon get used to the condition of weightlessness.
  那些太空人不久就会习惯于无重力状态。
• They've been experimenting with weightlessness.
  他们一直在进行失重的实验。
• This proved that planned physical activity can prevent the bad effects of weightlessness.
  这证明，有计划的体育锻炼可以防止失重对人体的不良影响。
• Medical tests found that the human body becomes used to weightlessness after about forty days in space.
  医学检查发现，在太空生活大约40天后，人体就可以适应失重状态。
• For the first time, a rocket unit was fired under weightlessness.
  这是火箭单元首次在失重状态下点火。
• You have to pay a price for this half a second of weightlessness.
  半秒钟的失重状态，可是有代价的。
• Objective To observe the effects of simulated weightlessness on the nutritional state and contents of serum lipids in human.
  目的探讨模拟失重对机体膳食摄入营养状况和血脂含量的影响。