n.无重量；反重力
The idea of antigravity was originally suggested by Einstein as a kind of add-on to his General Theory of Relativity. "反引力的概念最早是由爱因斯坦作为一种附加理论在相对论中提出来的。
"They use a mechanical antigravity device driven by engines developing approximately 80,000 horse power. “他们使用一种无重量的机械装置，用大约80，000马力的引擎驱使。”
That's right, you clever mortal (well, as clever as a mortal can get), you have discovered the secret of antigravity! 是的，作为凡人，你很聪明（嗯，和一只平凡的猫一样聪明），因为你已经发现了反重力的秘密！
The concept had these bulbous plants ooze a strange form of antigravity gelatin that lined the skies of the world. 原本的设计中，这些球根状的植物会渗出一种奇怪的反重力凝胶，沿著天际排列。
The antigravity shoulder muscles prepare to bring the arm to shelf level,and the hand is prepositioned and oriented to prepare forgrasp-ing. 当伸手动作展开时，前肋骨侧边的肌肉及上下颈部斜方肌会同时收缩使肩胛拉开向上，而旋转环膜会让肱骨呈外旋的姿势，并使得肱骨头置入关节窝。
