释义 |
per·en·nialBrE /pəˈreniəl/NAmE /pəˈreniəl/ adjectivecontinuing for a very long time; happening again and again 长久的;持续的;反复出现的◆the perennial problem of water shortage 缺水这个老问题◆that perennial favourite, hamburgers 汉堡包,永远受人喜爱的食品(of plants 植物) living for two years or more 多年生的▸ per·en·ni·al·ly BrE /pəˈreniəli/NAmE /pəˈreniəli/ adverb◆a perennially popular subject 长年的热门话题 per·en·nialBrE /pəˈreniəl/NAmE /pəˈreniəl/ nounany plant that lives for more than two years 多年生植物 ➡ compare annual noun (2) , biennial noun |