и俼еķc(din)Ҫ˶Ҫ֪Լķ揊(qing)ķᘌ(du)Եľ(x)Ǯ(dng)и俼|Ҫr(sh)D(zhun)Q·
e(cu)`1W(xu)(x)иDZи~
иx~R8000ңܶĸֻ2000(yu)һЩČW(xu)ܕ(hu)4000Ҫߵ8000ҪU(ku)~RW(xu)кܶ~^˺ܶڌ(sh)Hx }^߀@Æα@?yn)鿼ӛֻdž~ĘӶϤİl(f)÷
䌍(sh)и fx@Ă(g)~RDzͬġ~RxȻ@һֻҪ켴ɡmȻ ֿ~RҪ(du)һЩ(du)Ҫߣ һҪ ZһҪҪ졣һ Ҫ(du)(j)@ЩA(ch)ĵ~ROϤ
Æ~ϵy(tng)ȥ~ (yng)ԓY(ji) ^ÿһƪ x^ÿһƪxе~@ڌ(sh)H\(yn)յĆ~(hu)ο?yn)㲻H֪˼ ߀ Լ÷
Ҫ~и½Y(ji)Óx~ ֻ¶ȥY(ji)
e(cu)`2ֱӽ|и}
(du)ڻA(ch)ǺܺõͬW(xu) hֱӽ|и 俼r(sh)g^Lhͨ^mԼyȵĽ̲āѭuM(jn)ԼӢZľCό(sh)@摪(yng)õIJ ώԃ ͨ(hu)hͬW(xu) step by stepsixty-second scienceȵ
(du)fӢZW(xu)(x)^խһ㲻ܿĽ̲@Ҫ҂ǴW(xu)Ҫȥ BBCһЩýw@漰һЩI(y)~R(du)fЇW(xu)|ú҂Ҫͨ^ һЩ
e(cu)`3˽ֵĿ췽ƴ(sh)
ÿһֶиҪ ֮֮L(fng)ˮ猑ܶͬW(xu)AÏ(f)sĆ~Ï(f)sĆ~Ѓɴc(din)һOƴe(cu)`õòǡ(dng)еĆ~ֵgò(zhn)_һʹֻ(hu)ЦԷǡԆ~đ(yng)ҪԵwmÞdžμ(f)s~Rٱ ܶͬW(xu)(hu)äĿӛһЩ¼(x)(ji)ˌ(du)wܘ(gu)ҪϢİȱ(du)(ni)M(jn)Кw{Y(ji)ղסµc(din)}DzҪI(lng)䌍(sh) ֲҪм(x)(ji)ȥ ֻֻҪ ԓ ă(ni)@һփ(ni)ݴ}ѽ(jng)@һփ(ni)ͨ(hu)@Ę(bio)־~(do)
e(cu)`4]Еr(sh)g^
иvܶW(xu)R(chng)ĕr(sh)ãȻ֪ƽr(sh)úڼĕr(sh)ҪһЩи}fZZo15犵ĕr(sh)g(zhn)䣬35犕r(sh)gȥvW(xu)ƽr(sh)]гֵĻr(sh)gȥ(x)Ԓȥ(zhn)15^βvһЩ߉ԵԒܶW(xu)֪ôȥvhƽr(sh)Ԍ(du)RԼ(zhn)15룬35֮(ni)ô@ԒfǺҪ
e(cu)`5]ϙC(j)^ģM
иϙC(j)ԇѽ(jng)(x)T˕}ͬW(xu)һҪǰm(yng)һC(j)ĸX Ӻ}҂(jng)vӢZԇ Կ@(g)}ȥ @N“ã “ĸX҂Ҫȥm(yng)
Ͼи俼5(g)e(cu)`һҪ@ͬW(xu)(x)ͿԇҪ`ҪVң뿿Rr(sh)_ø߷yȺܴW(xu)(x)ǂ(g)շe۵£DZһؼܳɹґ(yng)ԓƽ͵đB(ti)ȥ(du)иԇÿ(g)˶(hu)кܺõİl(f)]