needleless dermoinjector

例句：

1. 1. This needleless dermoinjector is much more comfortable than traditional ones.
   这种无针注射器比传统的要舒适得多。
2. 2. The nurse injected the medication into the patient's arm with the needleless dermoinjector.
   护士用无针注射器将药物注入患者的手臂。
3. 3. Due to its needleless design, this dermoinjector is ideal for people with allergies or sensitivities to needles.
   由于其无针设计，这种注射器非常适合对针头过敏或敏感的人。