您要查找的是不是：
- “洞A” "Dong A"
- 洞A型核不育 Dong A GMS
- 利用棉花洞A核不育系蜂媒传粉制种研究及实践 Study and Practice on Utilizating Nucleal Sterile Line Dong A to Produce Hybrid Seeds Through Bee Pollination In Cotton
- 洞 hole
- 不仅A而且 not merely A but also B
- 与其说A不如说 not so much A as B
- 打洞 burrow
- A股 A-share
- 破洞 tear
- 挖洞 cave
- 把A误以为 take A for B
- 维生素A vitamin(e)
- 鼹鼠在墙脚下面钻了一个洞。 A mole tunneled a hole under the wall.
- 出洞 unkennel
- 把A视为 looked upon A as B
- 穿洞 pierce
- 双酚A bisphenol A
- 凹洞 pit
- A型 A Mode; A-form
- 开洞 punch
