perennials例句

Name six perennials and six annuals suitable for indoor flower arrangement.
列出多年生及一年生花朵各六种,它们必须是适合插花的.

Herbage can be divided into three categories : annuals , biennials, and perennials.
草本植物可分成一年生、二年生和多年生.

Perennials like the azalea and forsythia bloom year after year.
多年生的植物如杜鹃、连翘一年接一年地开花.