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

• Effects of simulated weightlessness on F-actin of pulmonary microvascular endothelial cells
  模拟失重对肺微血管内皮细胞F-actin的影响
• 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。
• 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
• 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。
• Passengers will get about five minutes of weightlessness, and then glide back down to landing.
  乘客们将获得年夜约五分钟的失踪重状况，然后飞船滑翔向下直到着陆。
• 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。
• 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。
• 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。
• Objective To observe the effects of simulated weightlessness on the nutritional state and contents of serum lipids in human.
  目的探讨模拟失重对机体膳食摄入营养状况和血脂含量的影响。