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

• Astronauts quite often find that weightlessness makes them feel sick.
  宇航员相当经常地感到失重使他们觉得恶心。
• 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。
• 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。
• 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。
• To investigate the changes and its protection of cell apoptosis in pulmonary tissues of tail-suspended rats in simulated weightlessness condition.
  研究尾悬吊模拟失重大鼠肺组织细胞凋亡情况的变化及其防护方法。
• Effects of simulated weightlessness on F-actin of pulmonary microvascular endothelial cells
  模拟失重对肺微血管内皮细胞F-actin的影响
• 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。
• Astronauts in flight must adjust to weightlessness.
  宇航员在飞行中得适应失重状态。
• 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。
• Effects of Conditioned Medium of Osteocytes Subjected to Simulated Weightlessness on Activity of Osteoblasts
  模拟失重骨细胞条件培养基对成骨细胞活性的影响