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 - 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。 - 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。 - 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 - 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。 - 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。 - 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。 - 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。 - It also tested the effect of weightlessness on living creatures.
飞行还试验了失重对生物的影响。