更新时间：2024-12-23 08:58:10
Noun:- a bag carried by a strap on your back or shoulder
- back-pouring area
- back-end surface
- back-scatter peak
- back-up procedure
- Back to the Future
- Back-trajectories
- back clipping plane
- Backlin
- backstop porter bar
- Back in a second.
- backfill compaction
- back
back pack是什么意思 back pack在线翻译 back pack什么意思 back pack的意思 back pack的翻译 back pack的解释 back pack的发音 back pack的同义词
