Nylon may be nasty to wear, but it scrubs up well inside a washing machine.
尼龙衣物或许穿起来易脏，但是在洗衣机内却易于清洗。
Environment: a washing machine USES thousands of nylon beads, and just a cup of water, to provide a greener way to do the laundry.
环境：一种需要用成千的尼龙水珠和仅仅一杯水的洗衣机，它(给我们)提供了一种更加绿色的洗衣方式。
Scientists designed the bike on a computer and sent it to a printer, which placed layers of melted nylon powder on top of each other to build up the machine.
科学家们先在电脑上设计，随后由打印机将融化的尼龙材料层层叠加，制造出自行车。
应用推荐