Bats flit about in the twilight.蝙蝠在暮色中四处飞翔.Some Horseshoe bats can detect differences as slight as 0 . 0001 KHz.一些马蹄铁形蝙蝠能探测到细微至0.0001千赫的差别.Bats are the only mammals to have wings and to achieve sustained flight.蝙蝠是唯一的有翅膀...
Steven killed the bird with his pocketknife.史蒂文用随身带的小刀杀死了这只小鸟.I got a really good pocketknife for $ 10.我花十美元买了一把非常好的折叠刀.Now, use your pocketknife to touch the mica and see what will happen.现在你用小刀去触及岩石中的云母,看看会产生什么现象....
人们最熟悉的例子之一是国内税务署.One of the most familiar examples is the Internal Revenue Service.在国内税务署逮住我们之前,我们一直都干得非常成功.We were in tall cotton until the IRS caught up with us.每个家庭都要填写一份所得税单,呈交国内税务署.Every family would fill out an tax...
They surveyed land and erected signposts and distance indicators.他们还负责勘测土地,竖立路标和距离示意牌." At the Waldorf,'she answered, mentioning the fashionable hostelry then but newly erected.“ 在沃尔多夫旅馆, " 她回答, 指的是当时刚刚新建的时髦大旅馆.They...