Biologists have thought for a while that the trap’s main structure is made of modified leaves.

一段时间以来，生物学家一直认为陷阱的主要结构是由改良的叶子构成的。

Turns out the main trap structures have profiles very similar to those of leaf bases – so we can tick that evidence box.

事实证明，主要陷阱结构的轮廓与叶基的轮廓非常相似——因此我们可以勾选该证据框。