trident

三叉の槍

長い柄の先に、鋭い先端が三つある武器。

やさしい英語で： A weapon like a long stick with three sharp points at one end.

• The statue holds a trident.
• Poseidon is often shown carrying a trident.
• The fisherman used a trident to catch fish.

よく使う表現： hold a trident, golden trident, three-pronged trident

三叉曲線

三乗を含む特定の方程式で表される数学の曲線。

やさしい英語で： A mathematical curve described by a particular equation containing a third power.

• The equation describes a trident.
• We plotted the trident on a coordinate grid.
• Changing the coefficients changes the shape of the trident.

類義語： trident curve

よく使う表現： trident curve, plot a trident