1·Around the beginning of the nineteen fifties, some school kids started to use metal meal containers.
大约在20世纪50年代初，一些学生开始使用金属饭盒。
2·But we can use metal detectors to help us find other meteorites, and they're easier to spot by eye.
但是我们能用探测器帮助我们找到其他陨石，而这些陨石也更容易通过肉眼发现。
3·Man did not use metal in the Stone Age.
在石器时代人类不用金属。
4·We can use metal to make spoons. We can use clay to make plates.
我们可以用金属制作调羹。我们能用泥土烧制盘子。
5·Koreans also often use metal chopsticks because of their love of barbecue.
韩国人因为爱吃烧烤，所以也经常使用金属制的筷子。
6·It is best to filter or distill your own water and use metal or glass containers.
这是最好的过滤或蒸馏自己用水和使用金属或玻璃容器。
7·Do not use metal utensils, abrasive cleansers or metal scouring pads on the aluminum insert pan.
请勿使用金属器皿、磨蚀清洁剂或带金属丝的百洁布清洁铝内胆。
8·If you use metal gaskets, smooth surface should be reduced, to reduce the contact area with the pads.
如果要用金属垫片，则应将光滑面缩小，使其与垫片的接触面积减小。
9·Therefore, more use of storage or use metal tins, plastic bags, thermos bottle and low temperature for storage.
因此，比较使用的储藏方法还是使用金属罐、塑料袋、热水瓶以及低温进行贮藏。
10·If want to use metal gasket, it should be smooth surface narrowed, make its and gaskets of contact area is reduced.
如果要用金属垫片，则应将光滑面缩小，使其与垫片的接触面积减小。