It covers more space with less material than any other building ever designed.

VOA: special.2010.05.30

So for some you that are less interested in maybe the physical structure of an individual atom, now some more exciting material for you might be coming up if you like to think about how, instead, molecules behave, either within bonding, within themselves, or with other molecules, that's what we're going to be heading to in this next unit.

那么对于某些同学，你们或许不感兴趣,对于单个原子的物理结构，现在可能有令你感到兴奋的内容,要出现了，如果你更喜欢思考,分子的行为，或者是关于成键的，或者是关于它们本身的，又或者与其它分子之间的行为，这些将是我们下个单元要讲的内容。

麻省理工公开课 - 化学原理课程节选

You can go to any one of these times more comfortable, less comfortable, somewhere in between, and the focus of these sections will be on the material cover this week as well as potentially the start of next week and with a focus on problem set 1, which is the second problem set, 0 index which will go out via PDF this weekend.

只要你乐意，上哪堂课都可以，这些课程不仅覆盖了本周的学习内容,也可能囊括了,下周要学习的知识,请大家把注意力集中到我们的第二本习题集--习题集1上，这周末会以PDF格式发布出来。

哈佛公开课 - 计算机科学课程节选

He tested the cement, and says less could be used because the rice hull ash makes it a stronger building material.

VOA: special.2009.12.01

Also,the inventors say the light-colored material better reflects sunlight, so buildings would cost less to cool.

VOA: special.2009.12.01

Adding organic material such as compost to soil can also make lead less available to plants.

VOA: special.2009.06.09

Experts say the denser the material, the less radiation reaches the skin.

VOA: special.2010.07.06