您要查找的是不是：
- 细胞对照孔cell control well
- 孔hole
- 冲孔punching
- 孔夫子Confucious
- 开孔portiforium
- 他和拉塞尔形成了有趣的对照。He is an amusing contrast to Russell.
- 孔板pore plate
- 将这两个建议作对照是很有趣的。It is interesting to contrast the two proposals.
- 螺孔screw
- 内孔endoporus
- 通孔pylome
- 人孔manhole
- 微孔millipore
- 安装孔open holes
- 圆孔round orifice
- 网孔mesh
- 螺纹孔tap hole
- 扩孔hole slash
- 预留孔foreseen hole
- 排水孔osculum
