Scientific discoveries are ofter applied to industrial production methods.
科学新发现常应用于工业生产的方法。
Please do not touch the wet paint.
油漆未干,请勿触摸。
The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri