21λӦƸ
ǰ16ķ϶Ը˵ҪҸļҾͲҪǮˡãϱڹҵһʺרĹڶ8ӣҪŦԼ42ֵıص㣬ʱѾ20λְڶǰ棬ǵ21λٵرעӮְλأϳ˼úһ⣬óһֽд˼֣Ȼֽ۵ģС㣬˵С㣬ϰֽϰ壬ǳҪģֽС㿴ֽдֺ󲻽΢Цվϰİ칫ҡ
ϰ忴ҲЦԭֽдţڶĵ21λ֮ǰ벻Ҫκξ󣬷ԸԳصõݹ
ȻǷ˼ЧϵĹºͳɹظǣһᶯԽ˼ܰסᣬƵؽ⣬ɹ벻ǵĴ⡣