perennial

1. 1.

   Lasting or remaining active throughout the year, for multiple years, or all the time.

2. 2.

   Continuing without cessation or intermission for several years, or for an undetermined or infinite period; never-ending or never failing; perpetual, unceasing.

3. 3.

   Appearing or recurring again and again; recurrent.

4. 4.

   Of a plant: active throughout the year, or having a life cycle of more than two growing seasons.

长期的；反复的；[医] 多年生的

Connections

Learner notes