Switch blades came with the neighborhood where I lived.

我住的地方有不少人使用这种弹簧刀。

For " 10 Out of 10" , if you think the stonefish doesn't look creepy enough just swimming around, think about this, researchers at the University of Kansas say the animal has a switch blade on its face.

今天的“满分时刻”，如果你认为石鱼看起来还不够吓人的话，你可以想想，堪萨斯大学的研究人员说，这种动物的脸上有一个开关叶片。