- Symmetrical arrangement, as of an organism or a body part, along a central axis, so that the body is divided into equivalent right and left halves by only one plane.两侧对称：沿一条中轴身体被一平面分为左右同等的两部分的对称排列，如有机体或身体部分
- brutalisms
- brutalities
- brutality
- brutalize
- brutalized
- brutalizes
- brutalizing
- brute
- bruted
- brutes
- bruting
- brutish
- Bruttium
- Brutus
- brux
- bruxism
- bruxisms
- Bryan
- Bryan College
- Bryansk
- Bryant
- Bryant College
- Bryant & Stratton Business Institute-Albany
- Bryant & Stratton Business Institute-Buffalo
- Bryant & Stratton Business Institute-Eastern Hills