weightlessness
英 [ˈweɪtlɪsnɪs]
美 [ˈweɪtləsnəs]
n. 失重；无重状态
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.- Photons have no mass—they are weightless.
光子没有质量——它们是无重的。 - ...weightless silk curtains.
轻柔的丝质窗帘
- Photons have no mass—they are weightless.
- 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.- 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。
- Helen described life in a weightless environment during her period in space.
英英释义
noun
- the property of being comparatively small in weight
- the lightness of balsa wood
双语例句
- 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 - 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。 - They've been experimenting with weightlessness.
他们一直在进行失重的实验。 - 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？ - 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。 - 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。 - Medical tests found that the human body becomes used to weightlessness after about forty days in space.
医学检查发现，在太空生活大约40天后，人体就可以适应失重状态。 - 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。 - 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。 - 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。