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

• 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。
• AIM: To observe the morphological changes of vestibular organs and to detect the calcium content of otoconia in rats after simulated weightlessness.
  目的：模拟失重状态下观察大鼠前庭器官形态学改变和测量耳石中的钙含量。
• 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。
• 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？
• The astronauts soon got used to the condition of weightlessness.
  太空人很快就习惯了失重状态。
• For the first time, a rocket unit was fired under weightlessness.
  这是火箭单元首次在失重状态下点火。
• They've been experimenting with weightlessness.
  他们一直在进行失重的实验。
• 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。
• Space radiation kills us; weightlessness weakens us; isolation makes us melancholy.
  太空的辐射能让我们失去生命，失重的环境让我们身体虚弱，与世隔绝的状态让我们感到忧郁。
• 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