That is why I say that if you feel a painfulsensation, then you are very lucky.
这就是我为什么说如果你感到疼痛，你就非常幸运。
2
Catherine looked up, and instinctively raised her hand to her cheek: his neighbourhood revived a painfulsensation.
凯瑟琳抬头望望，本能地将她的手举起放到她脸上：有他在邻近，疼痛的感觉又复苏了。
3
The plasma can be touched by bare hands and can be directed manually by a user to place it into root canal for disinfection without causing any heating, electrical shock, or other painfulsensation.