One theory explaining this phenomenon suggests that acupuncture blocks pain signals from reaching the brain.

有一这样解释这一现象，针灸疗法阻止疼痛信号传递到大脑。

Nowadays, a lot of medical doctors have learned acupuncture techniques; so have a number of dentists.

如今，很多医生都学会了针灸疗法，还有很多牙医。

Another theory relates acupuncture to the production of chemicals in the body which reduce pain.

另一提出，针灸疗法会促进体内减少疼痛的化学物质的产生。

Oh, my God. - lt's very early, but l am. l just heard from the doctor. We don't know if it's the acupuncture...

太好了 -有点快但真的怀孕了 医生刚告诉我的 不知道是针灸疗法的关系。