adjective🔗Share永恒的，永久的. Lasting forever, or for an indefinitely long time"The student had a perpetual smile, always seeming happy. "那个学生总是面带永恒的微笑，看起来总是很开心。timebeingqualityChat with AIVocabulary GamePractice Reading
adjective🔗Share永久的，永恒的。 Set up to be in effect or have tenure for an unlimited duration"My grandmother has a perpetual smile, always cheerful no matter what. "我奶奶总是面带微笑，仿佛那笑容是永久的，无论发生什么都总是乐呵呵的。timelawgovernmentChat with AIVocabulary GamePractice Reading
adjective🔗Share永久的，持续不断的 Continuing; uninterrupted"The sun provides us with a perpetual source of light during the day. "白天，太阳为我们提供持续不断的光源。timeconditionqualityChat with AIVocabulary GamePractice Reading
adjective🔗Share常开，持续开花 Flowering throughout the growing season"By means of artificial hybridization, practised for a series of years, he has succeeded in producing a race of carnations which are perpetual bloomers."通过多年的有性杂交实践，他成功培育出一种可以持续开花的康乃馨。plantbiologynatureagricultureChat with AIVocabulary GamePractice Reading
