Hello,students,wemetagain,inthisclass,(换片wewillcontinuetolearnaboutthepinyin.(换片inthefirstlesson,wehavelearnedthestructureofChinesephonetics,aswesaidintheclass,weknowChinesephoneticscontainsthreepartswhichareinitials（声母）、finals（韵母）、andtones（声调）.（我们知道汉语拼音包括三个部分：声母韵母声调）Thereare21lettersinfinals,mostofthelettersarealsoinEnglish,butthepronunciationisdifferent,（汉语一共有21个声母，大部分声母在英语中也有，但是英语的发音和汉语的发音不同）inthisclass,wewillcontinuetolearnabouttheinitials,(换片Iwillteachyouhowtopronounceothersletters.（这节课，我们将继续学习声母，我会教大家怎么读声母）justlikethephoneticsalphabetsinEnglish,pinyincanhelpuslearnwithChinesewordsbetter.aslongasyoucanpronounce,theChinesepronunciationwillbesimple.（和英语的字母表一样，拼音可以帮助我们更好的学习汉语，认真学习拼音让汉语更加简单）
Let’slookatthenewknowledge，
ourmouthhavedifferentpartsandweuseourlips,teeth,tongueandthepalate
JqxTouseyourtongueagainstthehardpalate,theairflowoutfromthetwosideofthetongue.（换片）
jRestthefrontofyourtonguetothehardpalateandpressedteethagainstbackofthelowerteethdeathsqueezeairoutofthroat,channeljustfound.thissoundslikejeep,taketheexamples
Nowwepronouncethefirsttone,Thetoneisflat,thisisnohigh,nolowvariation,likeanarrativesentenceinEnglish,
Thesecondtoneismorelikethetoneusedwhenweaskingthequestion,thissoundslikegrowup,
Thethirdtoneisverychangeable,godownfirst,thencomeupagain,similarlikeweusedtoWhenwehavesomedoubts.
Nowtheforthtonechangesfromhightolow,likethewaywesaynotopeople.Letsreapetsit.
QAswaysj,Restthefrontofyourtonguetothehardpalateandpressedteethagainstbackofthelowerteeth,downletairout,butwithgreaterforce
thissoundsisaspirating,asincheer,takethe 