Question

perennial adj.终年的，长久的;多年生的;不断生长的;四季不断的;n.多年生植物;长期存在的; pl:perennials~adv:perennially~

Accepted Answer

英[pəˈreniəl]  美[pəˈrɛniəl] ADJ-GRADED（尤指问题或困难）永恒的，持续的，亘古不变的You use perennial to describe situations or states that keep occurring or which seem to exist all the time; used especially to describe problems or difficulties.例：...the perennial urban problems of drugs and homelessness...毒品和无家可归这两个一直困扰城市的问题例：There's a perennial shortage of teachers with science qualifications.有理科教学资格的老师一直都很短缺。ADJ（植物）多年生的A perennial plant lives for several years and has flowers each year.例：...a perennial herb with greenish-yellow flowers.开绿黄色花的多年生香草

单词	perennial
音标	英[pəˈreniəl] 美[pəˈrɛniəl]
解释	adj.终年的，长久的;多年生的;不断生长的;四季不断的;n.多年生植物;长期存在的;
例句	ADJ-GRADED （尤指问题或困难）永恒的，持续的，亘古不变的 You use perennial to describe situations or states that keep occurring or which seem to exist all the time; used especially to describe problems or difficulties. 例：...the perennial urban problems of drugs and homelessness...毒品和无家可归这两个一直困扰城市的问题例：There's a perennial shortage of teachers with science qualifications.有理科教学资格的老师一直都很短缺。 ADJ （植物）多年生的 A perennial plant lives for several years and has flowers each year. 例：...a perennial herb with greenish-yellow flowers.开绿黄色花的多年生香草
变形	pl:perennials~adv:perennially~

Perennial Describe Problems 英[Pəˈreniəl 美[Pəˈrɛniəl Adj.终年的，长久的;多年生的;不断生长的;四季不断的;N.多年生植物;长期存在的 Adj Graded 尤指问题或困难）永恒的，持续的，亘古不变的