我们由经验中学到，触摸热火炉会造成令人疼痛的烧伤。

We learn from experience that touching a hot stove will cause a painful burn.

youdao

很不幸，疼痛是生活中一件令人不悦但却无法避免的事情。

PAIN, unfortunately, is a horrible necessity of life.

youdao

疼痛是令人不愉快的感觉，它使患者惧怕甚至放弃正畸治疗。

Pain is a terrible feeling, which can make one horrid, even give up orthodontic treatment.

youdao

疼痛是令人不愉快的感觉，它使患者惧怕甚至放弃正畸治疗。

Pain is a terrible feeling, which can make one horrid, even give up orthodontic treatment.

youdao