It's shown to increase performance while enabling a deeper understanding of complex material.

事实证明，这能提高学习成绩，同时加深对复杂资料的理解。

There were no moving parts, springs or complex materials, yet every element had multiple purposes.

笔上没有活动部件、弹簧或复杂的材料，但每个部件都有多种用途。

And less complex organic materials break down faster.

不太复杂的有机材料分解得更快。

But in this temperate forest there are more fungi, capable of breaking down complex woody materials.

但是在这片温带森林中有更多的真菌，能够分解复杂的木质材料。

However, while we often think of stretching a muscle like stretching a rubber band, muscles are actually comprised of various tissue types, which interact to make a complex material.

然而， 虽然我们经常认为拉伸肌肉就像拉伸橡皮筋一样，但实际上肌肉由各种组织类型组成，它们相互作用形成了一种复杂的材料。