adj. 没有重量的,失重的,无重力的
网络 无重力; 没有重量的; 无重力的
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。
Photons have no mass – they are weightless.
光子没有质量——它们是没有重量的。
Living things seem to be staying within the wave, moving slowly inside it as if they were weightless.
生物似乎停留在波浪中,它们好像没有重量,在波浪中缓慢移动。
That means it´s weightless.
或者说,它没有重量。
30 seconds weightless.
30秒失重时间。