adj.改良的;
v.改善,改进,提高( improve的过去式和过去分词 );提高(土地、地产)的价值;利用(机会);抓紧(时间);
例句:
He improved their house.
他修缮了他们的房子。
He's never improved on his first book.
他从未写出比他第一部著作更好的书.
Life has improved and returned to normal.
生活已经改善并恢复了正常。