crura

crura的音标是["kru:rə]，翻译为“腿根”、“腿的下部”。

速记技巧：根据发音规律，可以联想到“腿根”的意思。

"crura"这个词源自古拉丁语"crura"或"crus"，意为"legs"或"legs of a garment"。它的变化形式包括复数形式"crura"，过去式"crorābī"和过去分词"crorābita"。

相关单词：

"crusade"：原意为"长腿"，引申为"长期奋斗或运动"。

"crutch"：原意为"拐杖"，引申为"支撑或帮助"。

"crotch"：原意为"交叉的腿"，引申为"交叉点或连接处"。

"croup"：原意为"臀部"，引申为"臀部疾病或肿块"。

"cuneus"：原意为"楔形"，引申为"楔形区域或形状"。

"crura-femina"：意为"长腿女性"，引申为"长腿美女"。

"crura-medicina"：意为"腿医学"，引申为"腿部疾病的治疗和护理"。

"crura-lingua"：意为"长腿语言"，引申为"腿部语言的描述或比喻"。

"crura-nutrimenta"：意为"腿的营养"，引申为"腿部营养的摄入和补充"。

以上单词都与"crura"这个词源有某种联系，并且都反映了人类对身体的观察和理解。这些单词也反映了语言的发展和演变，以及人类对自然和社会的认知。

常用短语：

1. crura 抽吸管

2. with crura 带有抽吸管的

3. suspensory crura 悬吊抽吸管

4. contractile crura 收缩的抽吸管

5. bifurcated crura 二分叉的抽吸管

6. variegated crura 杂色的抽吸管

7. withered crura 枯萎的抽吸管

双语例句：

1. The caterpillar has two pairs of long and thin legs, which are known as the crura. (蝴蝶幼虫有两对长而细的腿，被称为抽吸管。)

2. The plant is growing vigorously and has withered crura due to lack of water. (这株植物生长得很旺盛，但由于缺水，抽吸管已经枯萎了。)

3. The caterpillar has bifurcated crura and uses them to suck the juices from the leaves. (蝴蝶幼虫有二分叉的抽吸管，用它们从叶片中吸取汁液。)

4. The animal has contractile crura and uses them to move around. (动物有可收缩的抽吸管，用它们来移动。)

5. The plant is withered and has lost its leaves, leaving only the withered crura visible. (植物已经枯萎，失去了叶子，只剩下枯萎的抽吸管可见。)

6. The animal"s crura are long and thin, making it easy for it to move around in its environment. (动物的抽吸管长而细，使它在环境中移动容易。)

7. The plant has suspensory crura that allow it to hang from branches and other objects. (植物有悬吊抽吸管，使它可以从树枝和其他物体上悬挂。)

英文小作文：

The Crura: A Study in Nature

The Crura, a part of the anatomy of many animals and plants, are a fascinating study in nature. These long, thin structures, which vary in shape and function depending on the species, serve a variety of purposes ranging from movement to feeding.

For instance, the crura of butterflies serve as legs that help them crawl and move around. Their bifurcated ends allow them to suck the juices from leaves, making them an essential part of the caterpillar"s lifecycle. On the other hand, the crura of plants serve a different purpose; they act as suspensory structures that allow the plant to hang from branches and other objects, providing it with an advantage in obtaining sunlight and nutrients.

In some cases, the crura are contractile, allowing them to expand and contract for movement and defense. These structures are remarkable examples of natural engineering, displaying the incredible adaptations that nature has to offer. Understanding the role of the crura in nature not only enhances our appreciation for the beauty of life but also reminds us of the incredible adaptations that nature has to offer.