perennial

• 形容持续很久、长期存在或反复发生的；多用于植物时指多年生的。

Describes something that lasts for a very long time, is enduring, or recurs repeatedly.

1. Lasting for a long timeB2formal

   Continuing for a very long time; enduring or persistent.

   持久的

   • The perennial problem of poverty remains unsolved.
   • She has a perennial interest in classical music.
   • The debate over education reform is a perennial issue.

   同义词ceaselessconstantcontinualenduringeverlastinglastingperpetualpersistentunending

   反义词briefephemeralfleetingmomentaryshort-livedtemporarytransient

2. Recurring or constantB2formal

   Appearing or happening repeatedly; constant.

   长久的

   • He suffers from perennial allergies every spring.
   • The city faces perennial traffic congestion.
   • Perennial optimism is one of her defining traits.

   同义词ceaselessconstantcontinualcontinuousendlesseverlastingpersistentrecurringrepeatedunremitting

   反义词ephemeralfleetingmomentarytemporarytransient

3. Plant that lives for many yearsB1formalscientific

   A plant that lives for more than two years, often flowering annually.

   多年生植物

   • Lavender is a popular perennial in many gardens.
   • Perennial plants require less maintenance than annuals.
   • The garden is filled with colorful perennials that bloom each year.

   反义词annualbiennial

• 多年生植物，指寿命超过两年、通常每年开花结籽的植物。

A noun referring to a plant that lives for more than two years, typically flowering and producing seeds each year.

1. Plant that lives for many yearsB2formal

   A plant that lives for more than two years, typically flowering and seeding each year.

   多年生植物

   • Lavender is a popular perennial in many gardens.
   • Perennials require less maintenance than annuals.
   • She planted several perennials along the fence.

   反义词annualbiennial