那到底在皮肤上扎两根针是怎样对人起作用的呢？

But how can sticking needles in your skin be good for you?

youdao

他用大头针把皮肤固定住，然后用刀滑向肌肉。

He pinned the skin back and sliced into the muscle.

youdao

噢，针怎么能伤到她的皮肤呢。

Oh, how a needle could hurt in her hands.

youdao

每回细针扎入皮肤，就会造成创伤。

Every time a needle penetrates, it causes a wound.

youdao

每回细针扎入皮肤，就会造成创伤。

Every time a needle penetrates, it causes a wound.

youdao