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。
• The astronauts soon got used to the condition of weightlessness.
  太空人很快就习惯了失重状态。
• 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。
• 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。
• 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。
• 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
• They've been experimenting with weightlessness.
  他们一直在进行失重的实验。
• 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。
• 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。
• 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？