训练中，士兵们练习用刺刀刺穿稻草人。

During training, the soldiers practiced ___bayoneting straw dummies.

这个三脚架可以通过旋转快速完成安装，因为它的云台采用了卡口式设计。

The tripod head uses a ___bayonet mechanism for quick attachment with a simple twist.