与正常材料不同的是，当加热时，该材料不是膨胀，而是收缩，表现出负的热膨胀现象。
Instead of expanding when heated — as is normally the case — the material contracts, a phenomenon known as negative thermal expansion.
正常条件下这种材料就像液体一样，也可以流动。
The material behaves like a liquid in normal conditions, and is able to flow.
该事务所解释说，粉碎的材料与白水事件无关，处理的是不再需要的文件，属于正常程序。
The firm explained that the shredding involved material unrelated to Whitewater and was a normal procedure involving papers that were no longer needed.
应用推荐