dummy

虚拟的；假的英释中释adja dummy tool, weapon, vehicle etc is made to look like a real one but you cannot use it

傀儡；哑巴；仿制品英释中释nan object that is made to look like a tool, weapon, vehicle etc but which you cannot use

1 dummy variable,[计]哑变量；名义变数；虚变数

2 dummy bar,引锭杆（连铸用）

3 look like a dummy,显出呆头呆脑的样子

1 a dummy rifle.仿真步枪