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

• Myocardial Apoptosis Induced by Simulated Weightlessness in Rats
  模拟失重对大鼠心肌细胞凋亡影响的实验研究
• 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。
• Astronauts in flight must adjust to weightlessness.
  宇航员在飞行中得适应失重状态。
• 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。
• 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。
• 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。
• The astronauts soon got used to the condition of weightlessness.
  太空人很快就习惯了失重状态。
• The astronauts are conducting a series of experiments to learn more about how the body adapts to weightlessness
  那些宇航员正在进行一系列实验，以更多地了解身体如何适应失重状态。
• Objective To study the effects of simulated weightlessness on learning and memory capability of the brain.
  目的研究大鼠尾部悬吊模拟失重对脑学习记忆能力的影响。
• Passengers will get about five minutes of weightlessness, and then glide back down to landing.
  乘客们将获得年夜约五分钟的失踪重状况，然后飞船滑翔向下直到着陆。