raphide

英式音标：['reɪfɪd]

美式音标：['reɪfɪd]

词义：

n.

针晶体；

变形

复数：raphides

英英释义

Raphide

Raphides are needle-shaped crystals of calcium oxalate as the monohydrate or calcium carbonate as aragonite, found in more than 200 families of plants.

以上来源于:Wikipedia

用法：

权威例句

Raphide

Raphide

Raphide

Systematic Occurrence of Raphide Crystals in Araceae

Calcium Oxalate Raphide Crystals and Crystalliferous Idioblasts in the Carpels of Ornithogalum caudatum

Differentiation of raphide crystal idioblasts in isolated root cultures of Yucca torreyi (Agavaceae)

Developmental changes in raphide-forming cells of Vanilla planifolia and Monstera deliciosa 1

A third type of raphide crystal in the plant kingdom: Six-sided raphides with laminated sheaths in Agave americana L

The Role of Druse and Raphide Calcium Oxalate Crystals in Tissue Calcium Regulation in Pistia stratiotes Leaves

Increased nuclear DNA content in raphide crystal idioblasts during development in Vanilla planifolia L. (Orchidaceae)

造句：

1. His gruff exterior concealed one of the kindest hearts.

他粗暴的外表下藏着一颗非常善良的心。

来自柯林斯例句

2. He picked up the phone expecting to hear the chairman's gruff voice.

他拿起电话，心想会听到主席粗哑的嗓音。

来自柯林斯例句

3. He could be gruff and monosyllabic.

他说话噎人，且话不多。

来自柯林斯例句

4. Beneath his gruff exterior, he's really very kind-hearted.

他外表冷漠，心地却十分善良。

来自《权威词典》

5. He hid his feelings behind a gruff abruptness.

他把自己的感情隐藏在生硬鲁莽之中.

来自《简明英汉词典》

[ gruff 造句 ]