The kids who are joyriding and ram-raiding are unemployed.那些开偷来的车狂飙和驾车抢劫的年轻人都是无业游民。The English, worried by the growing power of Prince Henry, sent a raiding party to Scotland to kill him.英格兰人对亨利亲王权势日增感到不安，便派突袭队到苏格兰除掉他。Pr...
对光学开关的这种研究,可能使我们把完整的光路制成微型的光路板.The research on optical switches may lend to complete optical circuits on miniature circuit boards.这些材料对于生产微型的燃料电池是非常重要的.Those materials are essential to the working of the micro fuel cell....