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(du)ڻA(ch)ǺܺõͬW(xu) hֱӽ|и 俼r(sh)g^L(zhng)hͨ^mԼyȵĽ̲āѭuM(jn)ԼӢZ(y)ľCό(sh)иԇ @摪(yng)õIJ hͬW(xu) step by step listen to this м(j)(du)fӢZ(y)W(xu)(x)^խһ㲻ܿĴW(xu)AεĽ̲@Ҫ҂ͬW(xu)(jng) VOAһЩýw@漰һЩI(y)~R(du)fЇ(gu)W(xu)|ú eۡ
(sh)(du)(g)ԇ]гֵİ
иԇÿһֶиҪ xм(x)xԇָиԇ 猑ܶͬW(xu)AÏ(f)sĆ~Ï(f)sĆ~Ѓɴc(din)һOƴe(cu)`õòǡ(dng)еĆ~ֵgò(zhn)_һʹֻ(hu)ЦԷԆ~đ(yng)ҪԵwmÞdžμ(f)s~Rٱ ܶͬW(xu)(hu)äĿӛһЩ¼(x)(ji)ˌ(du)wܘ(gu)ҪϢİաиԇ ȱ(du)(ni)M(jn)Кw{Y(ji)ղסµc(din)}DzҪI(lng)x]Ќ(du)N}͵ȫc(din)ڿԇЕ(hu)ஔ(dng)
]Еr(sh)g]ϙC(j)ģM
иvܶͬW(xu)R(chng)ĕr(sh)ãȻ֪ƽr(sh)úx20֮(ni)ܺܺõһƪ£Ҏ(gu)r(sh)g(ni)Ҳ‘'ٱZ(y)15犵ĕr(sh)g(zhn)35犕r(sh)gȥvƽr(sh)]гֵĻr(sh)gȥ(x)Ԓ(zhn)15^βvһЩ߉ԵԒܶͬW(xu)o
иԇ hƽr(sh)Ԍ(du)RԼ(zhn)1535֮(ni)ô@ԒfǺҪ иϙC(j)ԇѽ(jng)(x)T˕}ͬW(xu)һҪǰm(yng)һC(j)ĸXǰM(yn)տԇ5ϵģM}}ĿԅBarron, Kaplan, Delta, LongmanȶǺܺõͨ^挍(sh)w(yn)挍(sh)ԇĕr(sh)g͏(qing)ȣڿ(chng)ϳְl(f)]Լˮƽ