agravity

例句：

1. 1.He always carries a serious air about him.
   他总是带着一种严肃的气息。
2. 2. The teacher's tone of voice had an aggression that made the students uncomfortable.
   老师的语气有一种攻击性，让学生们感到不舒服。
3. 3.The painting depicted a scene of great agility and grace.
   这幅画描绘了一个动作敏捷和优雅的场景。