" He is sticking the wire into the hole in the bottom of the black box, " someone else added.

“他正在把线插到黑色盒子底部的孔里。”又有人补充着。

And now because it's a hollow tube... we can stick the wire in.

现在因为它是一个空心管...我们可以将电线插入其中。

Now because we know which neural circuits are involved in tail-flipping, the scientists stuck silver wires in crayfish abdomens and gave them electric shocks to test how excitable the neurons were.

现在因为我们知道哪些神经回路参与了甩尾，科学家们将银线插入小龙虾腹部并对其进行电击以测试神经元的兴奋程度。