Fail safe

fail [fel]

vt.& vi. 失败，不及格;倒闭，破产;缺乏;衰退; vi. 衰退;失败，不及格;破产;不足; vt. 不及格;使失望;忘记;舍弃; n. 失败，失误;不及格;不及格者;[商]期货交割失期;

fals, fall =err,deceive,表示”犯错误,欺骗”

safe [sef]

adj. 安全的;保险的，肯定的;无损的;提供保护的; n. 保险箱，保险柜;冷藏箱;〈俚〉避孕套;

for a total of sixteen points.

她一共得十六分。

I meet the boy whose aunt is a nurse.

我遇到那个男孩的姑妈是护士。

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。