A piston syringe that is fitted with a hypodermic needle for giving injections.

带有皮下注射器针头进行注射的注射器活塞。

One reason was that they were afraid of catching a disease from a dirty hypodermic needle.

一个原因是他们害怕因为用了脏的注射器针头而得病。

Mark Prausnitz of the Georgia Institute of Technology and his team have devised a different way to replace the hypodermic needle.

佐治亚理工学院（the Georgia Institute of Technology）的马克•普劳施尼茨（Mark Prausnitz）和他的团队已经发明出了代替皮下注射针的方法。

The microneedles are either hollow or empty, like a normal hypodermic needle, or covered with a drug which breaks down in the eye.

这种微针头像普通的皮下注射针头一样是中空的，或者覆盖了一层在眼睛里分解的药物。

Brandt's assistant, dressed in the staff uniform of black scrubs, passes another hypodermic needle, and Brandt injects amounts into the fine lines under the eye.

布兰德的助手，穿着黑色的实习生职员制服，递过来另一个皮下注射针头，布兰德把一定剂量注射进眼睛下边的细线区域。