weightlessness

音標發(fā)音

adj性質的同根詞
weighted：[數]加權的；加重的；衡量過的。
weighty：重的；重大的；嚴肅的。
weightless：失重的；無重量的。
adv性質的同根詞
weightily：重要地；沉重地。
n性質的同根詞
weight：重量，重力；負擔；砝碼；重要性。
weigh：權衡；稱重量。
weighing：稱重量；考慮權衡；懸浮。
weighting：加重，加權；衡量；（英）生活補貼。
weightiness：重；重要性。
v性質的同根詞
weighing：稱量（weigh的現在分詞形式）；考慮斟酌。
weighted：加重量于…；重壓（weight的過去分詞）。
weighting：加權；稱量（weight的現在分詞）。
vi性質的同根詞
weigh：重量為…；具有重要性；成為…的重荷；起錨。
vt性質的同根詞
weight：加重量于，使變重。
weigh：權衡；考慮；稱…重量。

Astronauts in flight must adjust to weightlessness.
宇航員在飛行中得適應失重狀態(tài).
Objective To observe bone mass changes during convalescence after simulated weightlessness.
目的觀察模擬失重恢復期骨質的變化.
To apply engineering Methods : To the study of astronaut adaptation to weightlessness.
應用工程方法于宇航員在無重狀態(tài)下的適應性研究.
Objective To study the effects of short - term simulated weightlessness on human vectorcardiogram ( VCG ).
目的探討短期-6°頭低位臥床模擬失重對人心電向量圖 ( vectorcardiogram,VCG ) 的影響.
Objectives : To investigate the microflora in rats gastrointestinal under simulated weightlessness.
目的: 研究模擬失重條件下大鼠腸道菌群變化情況.

the state of having or appearing to have no weight; the fact of not being affected by gravity (= the force that makes things fall to the ground)

失重
Weightlessness is one of the problems which human must face with and solve during space flight.
失重是航空航天過程中人類必須面臨和克服的問題。
失重狀態(tài)