基础释义
例句
柯林斯词典释义

福克斯词典 \ 英汉词典 \

Biennials是什么意思？

Biennials

两年期

例句

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.

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柯林斯高阶英汉双解学习词典释义

ADJ

两年一次的

A biennial event happens or is done once every two years.
例句
...the biennial Commonwealth conference. 两年一届的英联邦会议
N-COUNT

二年生植物

A biennial is a plant that lives for two years. It flowers, produces seed, and dies in its second year.

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