您要查找的是不是：
- 螺snail
- 螺杆screw
- 扁平applanation
- 扁平的compressed
- 螺柱double-screw bolt
- 情窦初开to arrive at puberty
- 螺孔screw
- 扁平疣verruca plana
- 螺塞plug screw
- 窦房结sino atrial node
- 扁平化do away with a hierarchical system
- 上颌窦sinus maxillaris
- 螺杆泵screw pump
- 背窦dorsal sinus
- 犁侧板与犁沟相对犁的扁平的那侧The flat side of a plow opposite the furrow.
- 螺牙thread
- 牙窦;髓腔dental antrum
- 螺套threaded sleeve
- 公文包可提携的，通常扁平带把手的包，用来装文件或书A portable, often flat case with a handle, used for carrying papers or books.
- 鼻副窦sinus accessory
