| 词汇 | double-action | 
| 释义 | double-action  adjective [ before noun ] uk/ˌdʌb.əlˈæk.ʃən/ us/ˌdʌb.əlˈæk.ʃən/  有双重作用的 having two different purposes  This double-action lotion soothes your skin and enriches your tan. 这种具有双重功效的涂剂既能呵护皮肤还能加深晒成的棕褐色。   (手枪等)联动式击发的 used to refer to a gun that needs one action for preparing to shoot it and one action for shooting it | 
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