mean gravity anomaly

例句：

1. 1. She is known for her meanness towards others.
   她因对他人吝啬而闻名。
2. 2. He has a mean streak in him that he can't control.
   他内心有一股吝啬的倾向，无法控制。
3. 3. The poor man was so mean that he refused to share his food with anyone.
   那个穷人吝啬到拒绝与任何人分享食物。