urchin
n. 顽童，淘气鬼；海胆；刺猬
复数 urchins
例句
They say he is a mischief-maker, a tramp, a street urchin—Calumnies!
他们说他是个捣蛋鬼，是个流浪汉，是个街头顽童——诋毁！
The spines of a fire urchin form a multicolored flower off Komodo Island, Indonesia.
火海胆的刺在印度尼西亚科莫多岛附近形成了五颜六色的花朵。
In the first century A.D., Pliny the Elder wrote of using sea urchin ashes to treat baldness.
公元一世纪，老普林尼曾写过用海胆的灰烬治疗来秃头。
