pregravidic

例句：

1. 1. In the study of gravitational waves, scientists are exploring the possibility of detecting pregravidic phenomena.
   在研究引力波时，科学家正在探索检测预重力现象的可能性。
2. 2. The research on pregravidic materials has shown great promise for future space exploration.
   对预重力材料的研究为未来的太空探索展示了巨大的潜力。
3. 3. The discovery of a new type of pregravidic substance could revolutionize our understanding of gravity and its effects.
   发现一种新的预重力物质可能会彻底改变我们对重力及其影响的理解。