declined_decline的过去式和过去分词

★decline①ⅵ 减少;下降 (同义词：decrease)The number of tourists to the resort decl

★decline①ⅵ 减少;下降 (同义词：decrease)The number of tourists to the resort declined by 10% last year.去年，到这个景点旅游的人数减少了10% 。

According to scientists, our mental abilities begin to decline from the age of 27 after reaching the highest level at 22.(2012浙江)

根据科学家的研究，我们的智力在22岁达到最高水平后，从27岁开始下降②ⅵ衰退;衰落:Her health was declining rapidly.她的健康状况在迅速恶化③vi＆vt[正式用语]谢绝;拒绝(同义词： refuse):。

Mary declined Jay’s invitation to dinner.玛丽谢绝了杰伊吃饭的邀请decline to do sth:（2012山东）In spite of many invitations, he would always decline to visit Oxford.。

尽管多次受到邀请，他还是拒绝去牛津大学④n. 减少;下降;衰退;衰落:the economic decline 经济衰退There was a sharp decline in population. 人口急剧下降。