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单词

nucleus

读音
ˈnuːkliəs
美式
英式
词根

"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)

释义

n. 核,核心;原子核 [ 复数 nuclei或nucleuses ]

例句

Matt Cummings and Liko Soules-Ono form the nucleus of the team.
马特·卡明斯和莱克·索尔斯-奥诺形成了这个团队的核心。
Neutrons and protons are bound together in the nucleus of an atom.
在一个原子的核内,中子和质子聚合在一起。
The nucleus is removed from the egg cell.
细胞核已经从卵细胞中移除。

强化记忆

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。"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。

看视频学发音
we have the genetic material, the chromosomes,within a nucleus.And out in the cytoplasmic soup
As cell division beginsthe nucleus disintegrates,the chromosomes line up
The electron -- the thing that goes aroundthe atomic nucleus --held around in orbit, by the way, by the electromagnetic force
affects the developing brains and bodies of children.It affects areas like the nucleus accumbens, (nucleus accumbens)--the pleasure and reward center of the brain
but most of it is in the nucleus --how dense is the nucleus?Well, the answer is crazy.
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所在词典

GRE填空及阅读机经,托福TPO阅读真题,经济学人(The Economist),医学英语(The Language of Medicine)