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