名词
中文翻译：双动式注射器
同义词：
['double-acting syringe', 'double-acting needle例句：1. The doctor used a double-acting syringe to administer the medication.（医生使用了一个双动式注射器来给药。）']
例句：
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1. The doctor used a double-acting syringe to administer the medication.
医生使用了一个双动式注射器来给药。
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2.During surgery, the surgeon used a double-acting needle to inject anesthesia.
在手术期间，外科医生使用了双动式针头来注射麻醉剂。
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3. The double-acting needle was designed to deliver drugs more precisely than traditional needles.
这种双动式针头设计得比传统针头更精确地输送药物。