(do)Z(y)Сʹһ˽һиZ(y)ԇĵ}ʲô}ϣܽoһЩl(f)
ʽx+ (tng)+(yng)
Ҫ(j)x (tng)f(shu)^c(din)oҪf(shu)Լ^c(din)
ă(ni)ݣx (tng)CϢ (tng)ȻxP(gun);}c (tng)P(gun)и (tng)x֮gP(gun)ϵ
}r(sh)g(zhn)r(sh)g30sr(sh)g60s
xr(sh)g4045
x(ni)ݣУ@Ԓ}(75100words)(W(xu)Ҏ(gu)k³W(xu)Ӌ(j)У@O(sh)ʩУ@(ni)|(zh))
(tng)r(sh)g60s80s
(tng)(ni)ݣԒ}ͬxf(shu)Ԓߕ(hu)ᘌ(du)P(gun)Ԓ}r^c(din)^c(din)ַ֧(du)ɷN
СNʿע_(d)߉M;ȱf(shu)Ԓߵ^c(din)ȻشM
ܰѣ
1xr(sh)Ҫעӛ}֧ε^c(din)
2 (tng)IJҪӛҪ^c(din)Լֻ֧(du)
3Y(ji)(gu)һҪҪӋ(j)r(sh)ܛ呟״βҎ(gu)r(sh)g(ni)Ҫc(din)f(shu)ȫf(shu)