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

• 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。
• To investigate the changes and its protection of cell apoptosis in pulmonary tissues of tail-suspended rats in simulated weightlessness condition.
  研究尾悬吊模拟失重大鼠肺组织细胞凋亡情况的变化及其防护方法。
• 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。
• 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。
• 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。
• They've been experimenting with weightlessness.
  他们一直在进行失重的实验。
• 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 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。