biennial是什么意思_biennial怎么读_中英文释义(含例句用法)

(botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season

Adjective:

having a life cycle lasting two seasons;"a biennial life cycle"
"parsnips and carrots are biennial plants often grown as annuals"

occurring every second year;"they met at biennial conventions"

中英词源

biennial 两年一次的

前缀bi-, 二。词根enn, 年。

biennial (adj.): "lasting for two years" (1620s); "occurring every two years" (1750), from Latin biennium "two-year period," from bi- (see bi-) + annus "year" (see annual). The vowel change is "due to the Latin phonetic law according to which the unaccented and closed radical syllable of the second element of compounds, original -ă- becomes -ĕ-" [Klein]. The noun meaning "a biennial plant" is attested by 1770.

词态变化

复数 biennials;
副词 biennially;

权威造句

1. The workers were strongly against the biennial election.: 工人们强烈反对两年一次的选举.

2. It may subsequently become a weak grower and a distinctly biennial cropper.: 随后会引起树势衰弱,明显两年结一次果.

3. If the biennial cycle is broken for one year the trees normally bear annual crops subsequently.: 如果一年里打破了大小年的循环周期,植株以后就可正常结果.

4. His is a biennial, and one of the most useful pasture plants we have.: 这是两年生植物, 也是我们最有用的牧草之一.

5. European biennial widely cultivated for its blue or violet or white flowers.: 因其蓝色紫色或白色的花而被广泛种植的欧洲两年生草本植物.

近反义词

biennial budget cycle 两年预算周期...

biennial bearing 隔年结果

biennial crop 二年生作物

biennial fruit 隔年果

biennial root 宿根

biennial programming 制定两年期计划...

biennial plant 二年生植物

biennial herb 二年生草本植物...

biennial oscillation 两年振动

biennial weed 二年生杂草

相似短语

biennial bearing 隔年结果

biennial fruit 隔年果

biennial root 宿根

biennial programming 【经】制定两年期计划

biennial crop 二年生作物

biennial plant 二年生植物

biennial budget cycle 两年预算周期

quasi biennial oscillation 准两年振荡

second biennial hembane 【医】第二年采二年生莨菪

biennial payment bond 二年期给付债券系指每两年给付一次利息的债券，由于付息日期较为宽裕，发行公司可采低利发行，而投资人也可预计其所获得的利息。

单词分析

暂无,等待补充.wWw.wentiyi.COM

记忆方法

暂无,等待补充.

biennial是什么意思，biennial怎么读

biennial基本信息

英英释义