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。
新概念英语第四册
Lesson 1 Finding fossil man
📚 句中词汇解析
从本句中提取的重要词汇
vt. 保护;保持，保存;腌制食物;防腐处理;
vi. 保鲜;保持原状;做蜜饯;禁猎;
n. 蜜饯;防护用品;禁猎地;独占的事物（或范围）;
💡 pre预先+serve保持→预先保留→保存
"Names of people in the book were changed to preserve anonymity."
为了姓名保密，书中的人用的都是化名。
近义：protect, save, shelter, defend, guard, embalm
反义：quit, stop, leave, desist, cut, finish
n. 历史，历史学;发展史;履历，经历;（某地的）沿革;
💡 histor过去发生的事 + y 表名词→ 历史；个人经历
"The 2012 Nobel Prize in Literature was awarded to Mo Yan"who with hallucinatory realism merges folk tales, history and the contemporary"."
2012年诺贝尔文学奖得主为莫言，他“很好地将魔幻现实与民间故事、历史与当代结合在一起”。
近义：archives, papers, past, background, record, records
n. 一代人;代（约30年），时代;生殖;产生;
💡 gener出生，产生 + ation 表示行为状态、过程 → n.一代，一代人；产生
"This book was handed down from generation to generation."
这本书世代相传.
近义：lifetime, period, season, time, chapter, age
adj. 有用的，有益的，有帮助的;令人满意的;
💡 use用+ful可…的” →有用的
"The memory expansion cards are useful adjuncts to the computer."
内存扩充卡是计算机很有用的附件。
近义：helpful, assistive, available, profitable, purposive, serviceable
反义：idle, inane, ineffective, insignificant, lousy, needless
conj. 因为;
💡 cause, cuse 表原因,目的;司法程序,诉讼
"He was arrested because of his political affiliation."
他因所属政党的关系而被捕。
近义：since, whereas, for, forasmuchas