Electron-beam drilling

electron [i'lektrɔn]

n. 电子;

beam [bim]

n. 梁，栋梁;束;光线;（电波的）波束; vi. 发出光与热;面露喜色; vt. 播送;以梁支撑;用…照射;流露; vt.& vi. 笑容满面，眉开眼笑;发射电波，播送;放出束状的光（或热）;

drilling [['dirliŋ]]

n. 演练\\n[医] 钻

I guess you do have two career opportunities

我想你的确是有两个事业机会

Good words without deeds are rushes and reeds.

光说好话而不见行动，一文不值。

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。