1.  orifices
2.  porthole
3.  ostiole

• 1. 孔口: aperture | orifice | ostiole | port
• 2. 钻孔口部: hole month
• 3. 孔口平面: spot face

更多释义

• 1.触觉小体位于指尖，嘴唇和身体孔口的皮肤上。
  The tactile corpuscles are grouped on the skin of the fingertips, lips, and orifices of the body.
  dict.yoduao.com
• 2.相比之下，承载构件110的内部孔口138是平滑的。
  In contrast, the inner bore 138 of the load-bearing member 110 is smooth.
  dict.yoduao.com
• 3.所以购买一支C调的10孔口琴吧，然后开始你的第一课。
  Buy a 10 hole harmonica in the key of c, then start with the first lesson.
  dict.yoduao.com

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