发家的知识聚焦

Father:"Ifound$3.29underthesofacushionsthisweek.Ifweget10moresofas,wecanparforayearofcollege!"wife&children:……爸爸：这周我在沙发下面找到3.29美元。如果我们再买十个沙发，我们就攒够孩子一年...

Itmaybealamodetocreatelighterversionsofourfavouritesnacksbutonecompanyhastakenthetrendratherliterally.创意美食，点亮生活。不过，一家公司当真做到了把那些最受人们欢迎的副食点亮了。Theworld'sfirstglowinthed...

ResearchersattheUniversityofPennsylvaniahavepinpointedaproteinthattriggershairloss,BBCreported.据英国广播公司报道，宾夕法尼亚大学的研究人员找到了一种引起脱发的蛋白质。Theyfoundlevelsofakeyproteincalledp...

VideoText:The[u]sound.Thisisveryrelatedtothe[ʌ]asinbutter,butthere'sadifferenceinthetongueposition,andadifferenceinthelipposition.Whatthetonguedoes,isitcomesmoreforwardthanitdoesfortheuh{butter}soun...

ResearchersattheUniversityofPennsylvaniahavepinpointedaproteinthattriggershairloss,BBCreported.据英国广播公司报道，宾夕法尼亚大学的研究人员找到了一种引起脱发的蛋白质。Theyfoundlevelsofakeyproteincalledp...

VideoText:The[i]soundisverycloseto[i:],butit'snotquiteasforwardandthemouthisnotquiteasclosed.Ih.Andthepartofmytonguethattouchestheroofofmymouthisacutallythebackpartofmytonguetouchingthebackpartofther...

VideoText:The[ɛ]sound.It'savowel,butit'salotlikethe"r"consonant.Tomakethisvowelsound,thetonguefattensupandcomesupalittlebitintheback.Ur.So,thebackofmytongueistouchingthebackofmythroat.Ur,ur.Becau...

VideoText:The[uə]diphthong.ThisisanotherdiphthongthatissometimesleftoutofsourcesasitisalwaysfollowedbytheconsonantR,andthesesourcesconsidertheschwasound,thesecondhalfofthisdiphthong,tonotactuallybeit...

VideoText:The[au]diphthong.ThefirstsoundofthisdiphthongisonceagainasoundthatdoesnotstandonitsownasavowelsoundinAmericanEnglish.However,itisverysimilarinsoundtotheaaasinbat.Thewayitisdifferentfromthats...

家庭对我们的个人发展有很大的影响。如果我们从一个幸福的家庭是，我们往往会开朗，乐观。如果我们带来了一个不幸的家庭，我们可能痛苦和悲观的成长。如果我们不爱我们的家，我们可能无法学会去爱别人。一个理想的家庭应该是...

VideoText:The[æ]soundisafrontvowel,whichformemeansitfeelslikeitcomesmorefromhere,aa,thanfromhere,ah.It'sabitdifficulttoexplain,soIamgoingtoexplainitintermsofanothervowel,andthatisthe[e]asin"pet"vo...

VideoText:The[iə]diphthong.I'veseensomesourcesthatleavethisoutaltogether.It'salwaysfollowedbyanRconsonant,andthesesourcesdon'tseetheschwaasreallyhavingitsownsound,asintheih-uhdiphthong.AndIsay,Iad...

VideoText:The[ɔɪ]diphthong.Thissoundcombinestheawasinlawwiththeihasinsit.ThoughIhavefoundinpractice,aswithmanydiphthongs,thatthevowelswithinthisdiphthongarenotquitesopureastheyarewhentheystandalone....

Plentyoflivesareadmirableoreventful,butonlyaveryfewaresoinfluentialthatit’sdifficulttowrapyourheadaroundjusthowmuchtheymeanttotheworld.ThomasA.Edisonlivedsuchalife,anditreceivesathoroughtwo-hourexami...

Researchershavefoundanodourgenewhichgivesthethornyfruititsnotoriouslypungentscent.近日，研究人员在榴莲里面发现了一种气味基因，正是此基因赋予了这种多刺水果难闻的刺鼻气味。Thediscoverymeantthepossibilityofc...

VideoText:The[i:]soundisafrontvowel,whichmeansitfeelsmorelikeitcomesfromhere,thanfromhere,ah.ee.Tomakethissound,thetonguetouchestheroofofthemouth,anditisalittlemoreforwardthanthemidpointofthetongue,an...

VideoText:[u:].Thisisanotherbackvowel.It'sthemostclosed.Oo.Tomakethis,mytonguecomesupjustalittlebitintheback,itkindoffattensup.Oo.So,thetipofmytongueisnotatthefrontofmyteeth.Andthelips,ofcourse,comei...

VideoText:[ə],theschwasound.Alotoflanguageshaveaschwa.Howdowemakeit?It'slikeIwantedtomakeanoisewithoutmovinganythingatall.Uh,uh.Asyoucansee,thelipsarebarelyapart,theteetharebarelyapart,thetongueisfo...

VideoText:The[εə]diphthong.ThisdiphthongisalwaysfollowedbytheconsonantR,andsomesourcesleaveitoutaltogether,astheyseetheschwa,thesecondsoundinthisdiphthong,asnotreallyhavingitsownsound.Theyhearitmore...

Itmaybealamodetocreatelighterversionsofourfavouritesnacksbutonecompanyhastakenthetrendratherliterally.创意美食，点“亮”生活。不过，一家公司当真做到了把那些最受人们欢迎的副食“点亮”了。Theworld'sfirs...

VideoText:The[ɔ:]sound.Thisawisverysimilartothe[ɑ:]asinfather,whichisalittlemoreopen,ah.Aw.Youcansee,thereisashiftinthelips,andalsothecheekscomeinalittlebit.Ah,father,aw,law.So,thecominginofthecheek...

VideoText:[e].Thisisafrontvowel,whichforme,meansitfeelslikeitcomesmorefromhere,eh,thanfromhere,ah,father.Tomakethissound,mytonguecomesup,butnottoomuchbecausethisdoesnottouchtheroofofthemouth.Thisstays...

VideoText:The[ei]diphthong.Ifindthisdiphthonghardtoclassify.I'veseensomesourcesthatuseanopenesoundatthebeginning,thatwouldbethe[e]asinbed,andothersthatuseaclosede,whichdoesn'texistonitsownasavowelso...

A4,600-year-oldgraveinGermanycontainingtheremainsoftwoadultsandtheirchildrenprovidestheearliestevidencethatevenprehistorictribesattachedimportancetothefamilyunit,researcherssaidonMonday.Theresearchers...

VideoText:The[ju:]diphthong.Thiscombinesthey,y,uh-y,Yconsonantsoundwiththeoo,closedoo.Ew,ew.Asyoucansee,thelipscomeinandround.Thetonguealsoshifts.Onthey,it'slikethat,upagainsttheteeth,y,y,thebottomte...