stage 级，步，阶段 step 步 长 ；阶段；阶梯；阶跃
理论计算机科学 佩特里网 释文 step 步
- BAF
- ba fa jiao hui ge
- Bafan Luodian
- bafen calligraphy
- bafeng
- Baffin Bay
- Baffin Island
- baffle
- baffle and barrier
- baffle cascade thrust reverser
- baffled
- baffle-drop shaft
- baffle plate
- baffleplate
- baffler
- baffle type thrust reverser
- baffling
- Bafing River
- Bafoussam
- BAFTA
- BAFTA TV Awards
- Bagamoyo
- Bagan
- Bagan Temples,Burma
- bagatelle