臀部 (tún bù) — buttocks

定義

例文

• 坐在硬椅子上久了，臀部会有点疼。
  Zuò zài yìng yǐ zi shàng jiǔ le, tún bù huì yǒu diǎn téng.
  Sitting on a hard chair for a long time, the buttocks will hurt a bit.
• 运动后，他的臀部肌肉非常酸痛。
  Yùn dòng hòu, tā de tún bù jī ròu fēi cháng suān tòng.
  After exercise, his buttock muscles are very sore.
• 医生建议他多活动一下臀部。
  Yī shēng jiàn yì tā duō huó dòng yí xià tún bù.
  The doctor advised him to move his buttocks more.