a syringe needle

• 注射针头

a syringe needle的用法和样例：

例句

1. He was frightened at seeing the hypodermic needle.
   看到那个皮下注射针头他害怕极了。
2. White lines on a mirror.A needle and spoon.For many users, the sight of a drug or its associated paraphernalia can elicit shudders of anticipatory pleasure.
   对许多吸毒者而言，光是看到毒品或其相关用具，像是镜面上的白线，或是注射针头与汤匙，就会因预期快感而兴奋到发抖。