nucleus
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US
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分析词义
"Nucleus" 是一个英语词汇,源自拉丁词 "nucleus",意为 "小坚果"。在英语中,它有两个主要的含义:
列举例句
词根分析
"Nucleus" 的词根是 "nucle",源自拉丁语 "nucleus",表示 "坚果" 或 "核新"。
衍生词例如:nuclear(核的)、nucleic(no核酸)、nucleophile(亲核试剂)
词缀分析
"Nucleus" 中的 "-us" 是一个常见的拉丁词后缀,一般表示一个物体或事物。例如:genius(天才),radius(半径),virus(**)。
发展历史和文化背景
"Nucleus" 这个词在晚期拉丁语中是小坚果的意思,后来在16世纪的时候,科学家开始用这个词来形容细胞中的核心部分。这是因为微观下看,细胞核的形状确实像一个硬壳的坚果。
单词变形
名词形式为:nucleus(单数)/ nuclei(复数)动词形式没有形容词形式:nuclear(核的)副词形式没有固定搭配例如:nuclear power(核能)、nuclear weapon(核**)
记忆辅助
你可以将 "nucleus" 与 "nuclear"(核的)结合起来记忆,因为它们在词根和词义上都有关联。
小故事
Once, there was an intelligent robot named Nucleus. He was the nucleus of the robotics team, leading them towards victory in every competition. (曾经,有一个名叫 Nucleus 的智能机器人。他是机器人队的核心,带领他们在每一场比赛中取得胜利。)
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