helical

中英词典

形容词

helical [hɪˈlɪkl] (adj.) 1. 螺旋状的；螺旋形的

名词

helix [ˈhiːlɪks] (n.) 1. 螺旋线；螺旋形 2. 耳廓上的螺旋部分

词语辨析

- helical: 形容词，指事物具有螺旋状或螺旋形的特征。 - helix: 名词，指螺旋线或耳廓上的螺旋部分。

词汇扩充

- helically (adv.): 螺旋地；螺旋形地 - helicity (n.): 螺旋性；螺旋状态

近义词

- spiral: 螺旋形的 - coiled: 盘绕的；卷曲的

反义词

- straight: 直的；笔直的

柯林斯词典

helical (adj.)

If something is helical, it is shaped like a helix or moves in a helix. - The flowers are typically helical in shape.

helix (n.)

A helix is a shape like a spiral staircase. - The DNA molecule has a double helix structure.

牛津词典

helical (adj.)

Having the shape or form of a helix; spiral. - The staircase had a helical design.

helix (n.)

A curve in three-dimensional space. - The building's structure resembled a helix.

用法

- The DNA molecule is known for its helical structure. - The helical staircase added elegance to the building's interior design. - The helix of the ear is a prominent feature in many mammals.

例句

1. The tornado formed a helical cloud pattern in the sky.（龙卷风在天空中形成了一种螺旋云的模式。） 2. The drill bit has a helical shape for efficient drilling.（钻头具有螺旋形状以便高效钻孔。） 3. The DNA molecule consists of two helical strands.（DNA分子由两条螺旋链组成。） 4. The spiral staircase has a helical design that adds architectural interest.（螺旋楼梯具有螺旋设计，增添了建筑的趣味性。） 5. The helix of the ear is a unique characteristic of humans.（耳廓的螺旋是人类的独特特征。） 6. The helical spring provides elasticity for smooth vehicle suspension.（螺旋弹簧为平稳的车辆悬挂提供了弹性。） 7. The helicopter's blades rotate in a helical pattern.（直升机的叶片呈螺旋状旋转。） 8. The helical structure of the protein is crucial for its function.（蛋白质的螺旋结构对其功能至关重要。） 9. The plant's tendrils grow in a helical manner to support its climbing.（植物的卷须以螺旋方式生长，以支撑其攀爬。） 10. The artist created a sculpture with a helical form.（艺术家创作了一个螺旋形的雕塑。） 11. The helical gears transmit power smoothly and efficiently.（螺旋齿轮可以平稳高效地传递动力。） 12. The DNA double helix is a fundamental structure in genetics.（DNA双螺旋是遗传学中的基本结构。） 13. The helical antenna is used for better signal reception.（螺旋天线用于更好的信号接收。） 14. The vine wrapped itself around the trellis in a helical pattern.（葡萄藤以螺旋方式缠绕在格栅上。） 15. The helical structure of the fern leaf fascinated botanists.（蕨类叶片的螺旋结构着迷了植物学家。） 16. The helical motion of the planets around the sun is mesmerizing.（行星围绕太阳的螺旋运动令人着迷。） 17. The helical path of the bullet through the air was captured on high-speed cameras.（子弹在空中的螺旋路径被高速摄像机捕捉到。） 18. The helical structure of the seashell provides strength and protection.（海贝的螺旋结构提供了强度和保护。） 19. The DNA replication process involves unwinding and rewinding the helical strands.（DNA复制过程涉及螺旋链的解旋和重绕。） 20. The engineer designed a helical ramp for easy access to the parking garage.（工程师设计了一个螺旋坡道，以便方便进入停车场。）