parabola是什么意思_parabola的用法_词性_词根

双语例句

Parabolas are often used in physics, mathematics, engineering and many other fields.

抛物线经常用于物理、数学、工程和许多其他领域。
Parabola is of great use in geometric optics and mechanics.

抛物线在几何光学和力学中有重要的用处。
In mathematics, a parabola is a mirror-symmetric plane curve.

在数学中，抛物线是一个镜像对称的平面曲线。
We have a parabola going downwards in one direction, and upwards in the other one.

我们得到一条在一个方向上向下，而在另一个方向上向上的抛物线。
It's, again, a parabola going downwards.

它同样是，开口向下的一条抛物线。
That is a parabola.

这就是一个抛物线方程。
It is this parabola and is pointing up.

这就是那个抛物面，它是开口向上的。
So, we should draw maybe this downward parabola.

我们可以画出这样的开口向下的抛物线。

近义词

parabolic curve

词根词缀

para-

在旁边

para-

同前缀词

parastatal adj. 半国营的
paragraph n. 段落；节
paradrop n. 伞降；伞投
parasite n. 寄生生物；寄生植物；寄生虫；过着寄生生活的人
parachute n. 降落伞；减速伞
parasol n. 阳伞；环柄菇
paralysis n. 瘫痪；麻痹
paramount adj. 最重要的；至高无上的
paranormal adj. 超出科学可知范围的；超自然的；超正常的

bola-

抛, 投掷

bola-

同前缀词

hyperbola n. 双曲线
tombola n. “翻筋斗”赌戏

同根词

词根 parabola

parabolic adj. 抛物线的；比喻的；寓言的
paraboloidal n. 抛物面的；抛物线体

释义

a symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side. The path of a projectile under the influence of gravity follows a curve of this shape.

抛物面；抛物线。

词源

"late 16th cent.: modern Latin, from Greek parabolē ‘placing side by side, application', from para- ‘beside' + bolē ‘a throw' （from the verb ballein）."