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biennial

美音:[baı´enıəl ]

英音:[baı´enıəl ]

n.二年生植物 adj.二年生的,二年一次的

难易程度:

biennial为短语/超纲词汇

词形变化:

副词:biennially

词根

bi-=double,two 变化型 bin-

biennial

/baɪ'enɪəl; baɪ`ɛnɪəl/
adj
1 happening every second year 两年一次的.
2 lasting for two years 持续两年的.

n plant that lives for two years, flowering in the second year 两年生植物（两年开一次花）.

biennial

adj
[Date: 1600-1700; Language: Latin;Origin: biennium 'two-year period', from bi- ( BI-) + annus 'year']
a biennial event happens once every two years
→annual
a biennial plant stays alive for two years
→annual, perennial perennial
>bienniallyadv

1. The sophomores and seniors are taking the biennial exam this afternoon.
今天下午二年级和四年级的学生正在考二年一次的考试。

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