你觉得在活动的时候跟同学合作容易吗？为什么或者为什么不容易呢？
Was it easy or hard to work together as a team? Why or why not?
悬在丝上的蜘蛛身体为什么不容易晃动？法国研究人员发现，原来蜘蛛丝中含有一种特殊的分子结构，能使蛛丝富有弹性，很容易克服摆动。
A new study reveals that dragline silk, the stuff spiders use to rappel, has a molecular structure that makes it resilient to twisting.
像你这样的年纪是不容易的，有这些感受也不容易。你为什么不和你的家人谈谈这些感受呢？
It's not easy being your age, and it's nor these feelings. Why don't you talk about these feelings with your family?
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