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generatrices

/ˌdʒɛnəˈreɪtrɪsiːz/

Meanings
noun

母线，生成曲线。

A curve that, when rotated about an axis, produces a solid figure

Examples :

"In geometry class, we learned that circles are the generatrices that create spheres when rotated. "
在几何课上，我们学到，圆是生成球体的母线，旋转一周就能得到球体。
math figure

Related Words

Illustration about

about adjective

/əˈbɛʊt/ /əˈbaʊt/ /əˈbʌʊt/

活动的，走动的。

"After my bout with Guillan-Barre Syndrome, it took me 6 months to be up and about again."

在和吉兰-巴雷综合征搏斗之后，我花了六个月的时间才能再次恢复活动，到处走动。

Illustration learned

learned adjective

/ˈlɜːnɪd/ /ˈlɝnɪd/ /lɜːnd/ /lɝnd/

博学的，有学问的

"Professor Davies is a learned scholar, renowned for her deep knowledge of ancient history. "

戴维斯教授是一位博学的学者，以其对古代历史的渊博知识而闻名。

Illustration curve

curve noun

/kɜːv/ /kɝv/

弯道，弧线

"You should slow down when approaching a curve."

靠近弯道时你应该减速。

Illustration spheres

spheres noun

/sfɪərz/ /sfɪrz/

球体，球。

"The gumball machine was filled with colorful spheres. "

口香糖机里装满了五颜六色的球形糖果。

Illustration figure

figure noun

/ˈfɪɡjɚ/ /ˈfɪɡə/

图，图表

"The science textbook included a figure showing the different stages of a plant's growth. "

这本科学课本里有一张图，展示了植物生长的不同阶段。

Illustration circles

circles noun

/ˈsɜːkl̩z/ /ˈsɝkl̩z/

圆圈，圆形。

"The set of all points (x, y) such that (x − 1)2 + y2 = r2 is a circle of radius r around the point (1, 0)."

所有满足 (x − 1)² + y² = r² 的点 (x, y) 的集合，构成一个以 (1, 0) 为圆心，r 为半径的圆圈。

Illustration class

class noun

/klas/ /kleəs/

类别，种类，等级

"Often used to imply membership of a large class."

通常用来暗示属于一个大的类别。

Illustration solid

solid noun

/ˈsɒlɪd/ /ˈsɑlɪd/

固体，固态物

"The wooden desk is a solid piece of furniture. "

这张木桌是件结实的家具，是固体做的。

Illustration geometry

geometry noun

/dʒiːˈɒmɪtɹi/ /dʒiˈɑmətɹi/

几何，几何学

"My son is learning about geometry in his math class, studying how shapes relate to each other in space. "

我儿子正在数学课上学习几何，研究各种形状在空间里的相互关系。

Illustration produces

produces verb

/pɹəˈdjuːsɪz/ /pɹəˈdusɪz/

生产，制造，产生

"Our apple tree produces a lot of fruit every summer. "

我们的苹果树每年夏天都结很多果实。

Illustration rotated

rotated verb

/ˈroʊteɪtɪd/ /roʊˈteɪtɪd/

旋转，转动。

"He rotated in his chair to face me."

他转过椅子面对我。

Illustration create

create verb

/kɹiːˈeɪt/

创造，创建，创作

"You can create the color orange by mixing yellow and red."

你可以通过混合黄色和红色来创造出橙色。