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

• 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。
• 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。
• 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。
• It also tested the effect of weightlessness on living creatures.
  飞行还试验了失重对生物的影响。
• 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 study took two sets of rats, both of who were subjected to an environment that simulated weightlessness.
  实验设置了两组老鼠，都放置于模拟失重的环境中。
• For this project, a new residence and state function room for the Irish Prime Minister, the objective was to create a weightlessness, freedom from the stress of public life.
  对于这个项目，一个新的居住和爱尔兰总理状态函数空间，其目标是创建一个失重状态，从公共生活压力的自由。
• 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。
• 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