thermionn.热电子；热离子theart.那；这；这些；那些adv.（用于比较级前）更加；用于最高级前；(用于形容词、副词比较级前)越 ... 越 ...the principle of optimization优化原则The kaleidoscope write an eye万花筒写一个眼睛The Sims from Electronic Arts模拟人生The old stuff doesn't work.The first dish pleases all.第一道菜,人人都爱吃。The shoes are very durable.这双鞋很耐穿。The train bulleted past us.火车从我们旁边飞驰而过。The guns were banging away.枪砰砰地打。the sovereignty of the people主权在民the feelings swum with thanks满怀感激之情