Radioactive emanation

radioactive ['redɪo'æktɪv]

adj. 放射性的;

radio光线+act行动，做+ive有...性质的、有...作用的 →放射性的

emanation

n. 散发, 发出\\n[化] 射气

John Marchetta gave me my start here six years ago,

六年前 ，John Marchetta让我在这儿起步，

Great. Then we can drink beer together.

棒极了，我们可以一起喝啤酒了。

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

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。