您要查找的是不是：
- 次射束小室sub-beam chamber
- 限束小孔，限束孔径beam-limiting aperture
- 然后从各个方向向肿瘤发出多达40束小射线。Then it fires up to 40 small beams at the tumor from many directions.
- 小的less
- 束bunch
- 瓢虫ladybug
- 小猪pigling
- 小计subtotal
- 一束hank
- 从小from childhood
- 线束wiring harness
- 小女孩lassock
- 小狗puppy
- 最小的lowest
- 一束花a bunch of flowers
- 小便urinate
- 小猫kitten
- 小精灵elf
- 小人flunky
- 小号horn
