Scientists think this is the plants' way to prevent the spread of any tree diseases and make life more difficult for leaf-eating insects like caterpillars.
科学家认为，这是植物防止树木疾病传播的方法，并给像毛毛虫之类的食叶昆虫制造些生存上的困难。
2
At the bottom of each slippery-sided leaf is a pool of water into which unlucky insects fall and drown.
猪笼草每个滑面叶子的底部都是一个水池，倒霉的昆虫落进去就会被淹死。
3
Soon, a leaf fall, cover the body in the small insects, worms suddenly felt incredibly hard, that the devil came, wanted to eat it, scared cold sweat.