It's only been latterly that we've discovered that it's lots of individual reefs, around about 2,900 separate reef systems which make up the Great Barrier Reef.直到近来我们才发现,它们其实是众多独立的礁石, 大约有2900个独立的礁石系,组成了大堡礁...
他和一位帮他料理家务的姑妈住在一起。He lives with an aunt who keeps house for him.做家务真的会让人大汗淋漓。You can really work up a sweat doing housework.我认为做饭和料理家务微不足道，一下子就能搞定。I thought that cooking and housekeeping were unimportant, easy tasks....
In 2008 a London house collapsed during a dig - down, injuring a builder.2008年伦敦的一处房屋在挖掘中倒塌, 一位施工人员受伤.To demonstrate injuring effect alternating impulse magnetic field on malignant tumor.为证实磁场对恶性肿瘤杀伤作用.He claimed that wo...
The city is encircled by a hostile army.该市被敌军包围了。A swarm of people encircled the hotel.一大群人围住了这个酒店。By 22nd November the Sixth Army was encircled.到11月22日，第六军被包围了。...
The fallopian tubes connect the ovaries with the uterus.输卵管连接着卵巢和子宫。Pregnancy begins when the fertilized egg is implanted in the wall of the uterus.当受精卵植入子宫壁时，妊娠就开始了。The uterus is supplied with a rich network of blood ve...
Who set off the fire alarm?谁拉响了火警报警器？Then the fire alarm went off. I just grabbed my clothes and ran out.当时火险警报器响了，我一把抓起衣服就往外跑。It was thought that the fire alarm had been set off as a prank.人们认为火警报警器响是个恶作剧....