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

• The astronauts soon got used to the condition of weightlessness.
  太空人很快就习惯了失重状态。
• 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。
• Astronauts in flight must adjust to weightlessness.
  宇航员在飞行中得适应失重状态。
• 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。
• 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。
• 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。
• 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
• 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
• 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。
• It also tested the effect of weightlessness on living creatures.
  飞行还试验了失重对生物的影响。