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 in flight must adjust to weightlessness.
  宇航员在飞行中得适应失重状态。
• Could people live in the weightlessness of space for that long?
  人类在太空失重的条件下能不能生存那样长的时间呢？
• 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。
• The astronauts soon got used to the condition of weightlessness.
  太空人很快就习惯了失重状态。
• 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
• 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。
• It also tested the effect of weightlessness on living creatures.
  飞行还试验了失重对生物的影响。
• They've been experimenting with weightlessness.
  他们一直在进行失重的实验。
• 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。