In the quest for a less painful needle, engineers at Kansai University in Osaka, Japan are creating tiny, jagged-edged needle modeled after a mosquito's proboscis.

为了减少穿刺时的疼痛感，日本大阪市关西大学的工程师们以蚊子的尖喙为模型创造出一种带有锯齿边缘的微小针头。

youdao

Infants are routinely given tiny amounts of sugar in hospitals, both in the UK and around the world, as a way of limiting the pain they feel when they undergo short but painful procedures.

在英国乃至全世界，当婴儿经受简短但痛苦的诊疗时，医院的常规就是给婴儿喂少量糖来缓解其痛感。

youdao

I thought of the tiny, imperfect heart that had to work so hard, the grand mal seizures, terrible headaches and tight, spastic muscles that made her every move difficult and painful.

我想到了那个跳动得很辛苦的微小，不完美的心脏，严重的疾病发作，可怕的头痛以及使她每一步都很艰难和疼痛的痉挛麻痹的肌肉。

youdao

An early one involved a common neck operation, where a painful disc is pulled out of the cervical spine through a tiny incision with a tool called a curette.

FORBES: Animal Nut