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a heliotrope
heliotrope作为可数名词指一块鸡血石。
He found a heliotrope in the cave.
他在洞穴里发现了一块鸡血石。
向日花；向日葵
先理解核心含义，再看它在真实句子里的用法。
向日花；向日葵
a plant whose flowers turn to face and follow the sun; in older use, a marigold or sunflower
He found a heliotrope in the cave.
他在洞穴里发现了一块鸡血石。
花朵随太阳转动并朝向太阳的植物,如(旧时)金盏花和向日葵。
A plant with flowers which turn to face and follow the sun, such as (archaic) marigolds and sunflowers.
香水草属植物(Heliotropium arborescens)花朵的芳香,或类似这种芳香的香味。
The fragrance of Heliotropium arborescens flowers, or a scent resembling this fragrance.
浅紫色或紫罗兰色,类似香水草属植物花朵的颜色。
A light purple or violet colour like that of Heliotropium arborescens flowers.
利用镜子反射阳光进行信号传递或三角测量的仪器。
An instrument that uses a mirror to reflect sunlight for purposes such as signalling, or (surveying) triangulation (where the reflected light is detected by another surveyor positioned some distance away).
She wore a pendant made of heliotrope.
她戴着一个用鸡血石制成的吊坠。
The jeweler displayed several polished heliotropes in the showcase.
珠宝商在展柜里展示了几颗抛光过的鸡血石。
The deep green color of heliotrope is often flecked with red.
鸡血石深绿色的底色上常常点缀着红色斑点。
heliotrope作为可数名词指一块鸡血石。
He found a heliotrope in the cave.
他在洞穴里发现了一块鸡血石。
定冠词表示泛指类别。
The heliotrope is a type of chalcedony.
鸡血石是一种玉髓。
复数形式。
These heliotropes are from Brazil.
这些鸡血石来自巴西。
Not this
我想种一株heliotrop。
Use this
我想种一株heliotrope。
heliotrope的拼写错误：名词原形末尾有字母e，拼写为heliotrope而非heliotrop。
Not this
这种heliotrope会跟着太阳转。
Use this
向日葵会跟着太阳转。
含义混淆：heliotrope指天芥菜属植物或鸡血石，并非向日葵；向日葵的英文是sunflower。heliotrope虽有‘向阳’之意，但不表示植物本身会转向太阳。
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Dictionary facts from ECDICT, WIKTIONARY.