注射针头刺入他的前臂。

A needle was thrust into his arm.

远离黄赌毒，不共用注射针头！

Do not abuse drugs or share injection needles.

实际上，这些机器人小到能够通过你能买到的最细的皮下注射针头。

In fact, these robots are so small, they're small enough to pass through the thinnest hypodermic needle you can buy.

除了其它方面的优势外，可降解微针头较皮下注射针头而言，前者针对流感的免疫保护看起来更强。

Beyond their other advantages, the dissolving microneedles appear to provide improved immunity to influenza when compared to vaccination with hypodermic needles.

包括能给疫苗注射针头研发带来灵感的豪猪毛刺。

Including porcupine quills inspiring new vaccination needles.

对32例一次性注射针头致儿童眼内炎的就诊时间、临床表现及治疗结果进行回顾性分析。

Methods duration of trauma, clinical manifestation and the final results of treatment were investigated respectively.