weightlessness

n.

失重

weightlessness

Noun

the property of being comparatively small in weight;

"the lightness of balsa wood"

weightlessness例句

用作名词(n.)

Astronauts in flight must adjust to weightlessness.
宇航员在飞行中必须适应失重状态。

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。

weightlessness近义词

airiness lightness buoyancy fluffiness flimsiness