stipule是什么意思，stipule怎么读

stipule基本信息

stipule基本信息

读法：英 ["stɪpjuːl] 美 ["stɪpjʊl]

释义：

n. [植] 托叶

使用频率：★

星级词汇：★

英英释义

Noun:

a small leafy outgrowth at the base of a leaf or its stalk; usually occurring in pairs and soon shed

中英词源

stipule 草梗，叶柄，托叶

来自拉丁语 stipula,草，草梗，来自 PIE*steip,刺，插，扩大形式于 PIE*stei,刺，插，词源同 stipple,sting,stimulus.

stipule (n.): "small appendage at the base of the petiole of a leaf," 1793, from French stipule, from Latin stipula "stalk (of hay), straw," from PIE *stip-ola-, from root *steip- "to stick, compress" (see stiff (adj.)).

词态变化

权威造句

1. Foliaceous back provides fluff , vein is thicker , stipule is damask.: 叶背具柔毛, 叶脉较粗,托叶淡红色.

2. Stipule A modified leaf found as an outgrowth from the petiole or leaf base.: 托叶:由叶柄或叶基部生长出的变态的叶,为发育产生的外部结构.

近反义词

axillary stipule 腋生托叶

deciduous stipule 凋落托叶

相似短语

amplexicaul stipule 抱茎托叶

deciduous stipule 凋落托叶

单词分析

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记忆方法

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