noun🔗Share顽童, 小捣蛋。 A mischievous child."The little urchin ran through the park, giggling as he pulled pranks on unsuspecting picnickers. "那个小顽童在公园里跑来跑去，一边咯咯地笑着，一边恶作剧地捉弄那些毫无防备的野餐者。personcharacterhumanageChat with AIVocabulary GamePractice Reading
noun🔗Share流浪儿, 街头顽童 A street urchin, a child who lives, or spends most of their time, in the streets."Seeing the small urchin scavenging for food near the market made her heart ache. "看到那个在市场附近四处找食物的小流浪儿，她感到一阵心痛。personhumansocietyChat with AIVocabulary GamePractice Reading
noun🔗Share海胆，海刺猬 A sea urchin."The children were fascinated by the spiky sea urchin they found on the beach. "孩子们对他们在海滩上发现的那个带刺的海胆感到非常着迷。animaloceanbiologynatureChat with AIVocabulary GamePractice Reading
noun🔗Share刺辊, 豪猪。 One of a pair in a series of small card cylinders arranged around a carding drum; so called from its fancied resemblance to the hedgehog."The textile worker carefully inspected the carding machine, making sure each urchin rotated smoothly against the drum, preparing the cotton fibers for spinning. "这位纺织工人仔细检查了梳理机，确保每一个刺辊都平稳地靠着滚筒转动，为纺纱做好棉纤维的准备。machineparttechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share中子启动器，起爆器。 A neutron-generating device that triggered the nuclear detonation of the earliest plutonium atomic bombs."The scientists meticulously examined the urchin, the device that initiated the first plutonium bomb test. "科学家们仔细检查了中子启动器，正是这个装置引爆了第一次钚弹试验。technologyphysicsenergydeviceweaponmilitarysciencemachinewarChat with AIVocabulary GamePractice Reading
noun🔗Share刺猬，毛刺球。 A hedgehog."The small urchin scurried under the bush, looking for grubs. "那只小刺猬跑到灌木丛下，找寻虫子吃。animalnatureChat with AIVocabulary GamePractice Reading
noun🔗Share小精灵，淘气鬼。 A mischievous elf supposed sometimes to take the form of a hedgehog."The old woman warned the children not to anger the urchin, lest it lead them into the briar patch disguised as a prickly hedgehog. "老妇人警告孩子们不要惹恼那个小精灵，免得它伪装成带刺的刺猬，把他们引到荆棘丛里去。mythologycharacternatureanimalsupernaturalChat with AIVocabulary GamePractice Reading
