膜性的

During sharing time, t he Butterflies talked about how to share five pieces of candy among eight people.

蝴蝶班在分享时刻，讨论了如何将5颗糖果分给8位同学这一话题。

It became more and more difficult for them to maintain contact with the outside world.

他们与外界保持联系越来越困难了。