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

• Scientists always knew it would not be easy for humans to work in the weightlessness of space.
  科学家们历来清楚，人在太空失重状态下工作绝非易事。
• 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。
• 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。
• Conclusion four weeks of stimulated weightlessness can lead to osteoporosis in acantha and feurar but has no distinct effect on mandible.
  结论4周模拟失重可以引起脊椎骨股骨的骨质疏松，但是对下颌骨没有明显的影响。
• 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
• Yes, but weightlessness and zero gravity are two different things.
  是的，但失重和零重力是两件不同的事。
• When a sportsman rises high into the air and an astronaut travels around the orbit, they will be in weightlessness.
  运动员的腾空和宇航员在轨道上的飞行都是处于失重状态。
• This course aims to introduce students to a quantitative approach to studying the problems of physiological adaptation to weightlessness.
  这门课程的目的是让学生了解一些研究无重状态下生理适应性问题的方法。
• 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。