★★★
  keep on
繼續,前進,繼續穿著(衣服等)
 
 
You must keep on trying.
你必須繼續努力前進。
The hikers kept on walking until they reached the lake.
這些徒步履行者必須繼續前進直到他們抵達湖邊。

keep up
continue to
no stoppage
forward

建議使用最佳瀏覽解析度﹕IE 5.0 以上版本 800 x 600