gravities
n．
1. 重力（复数）：物体之间相互吸引的力，尤指地球对物体的吸引力。
2. 严重性（复数）：事物的重要性、严重程度或紧迫性。
例句
It has also produced odd landscapes of precarious mesas that would have toppled centuries ago in worlds with standard gravities.
低重力也构造起奇异的地形。若是换在标准重力的星球，这里危险的台地在数个世纪前就早已坍塌了。
The comparability of opposed-flow flame spread over thin solid fuels in finite spaces in different gravities was numerically simulated.
利用数值模拟方法，研究了不同重力下有限空间内薄燃料表面逆风传播火焰的相似性。
