请输入您要查询的英文单词：
单词
ˈsafety ˌcatch
释义
ˈsafety ˌcatch
NOUN
C
1
the part of a gun that stops you from accidentally firing it （枪炮的）保险栓，保险机
2
the part of a machine or piece of equipment that prevents it from starting, working , or opening accidentally （机器设备等的）保险掣子