adj.改良的；改進的

動詞improve的過去式和過去分詞.

Improved wheats will be introduced on a wide scale this year. 今年將大范圍的推廣小麥的改良品種。

The improved lid of this jar makes for easier opening . 這個改良過的大口瓶蓋子易于開啟。

Improved service have result in another star in the hotel's grade. 服務(wù)的改進使飯店又晉升了一個星級。

They also heard reports on improved methods of diagnosing cancer. 他們還聽了關(guān)于改進癌癥診斷方法的報告。