Nucleus
例子
The nucleus is surrounded by a double membrane called the nuclear envelope, which controls the passage of materials into and out of the nucleus.
细胞核被一层称为核膜的双层膜包围，控制物质进出细胞核。
02
核心, 中心
a central or most important group within a larger organization, often responsible for leadership or key decisions
例子
The political nucleus of the movement pushed for major reforms in the education system.
该运动的政治核心推动了教育系统的重大改革。
03
原子核, 原子核
the dense, positively charged core of an atom, made up of protons and neutrons and containing most of the atom's mass
例子
Scientists studied how electrons orbit the atomic nucleus.
科学家研究了电子如何围绕原子核运行。
04
核, 神经核
a distinct cluster of nerve cells within the brain or spinal cord that performs a specific function
例子
Damage to the caudate nucleus can affect movement control.
尾状核的损伤可能影响运动控制。
05
核, 晶状体核
the dense central region of the eye's lens, surrounded by the softer cortex
例子
The surgeon carefully removed the hardened nucleus during the procedure.
外科医生在手术过程中小心地取出了硬化的核。
06
核, 核心
the central core of a comet, which is composed of ice, dust, and rocky materials
例子
The nucleus of a comet contains volatile substances that vaporize when the comet approaches the Sun, creating its characteristic tail.
彗星的核含有挥发性物质，当彗星接近太阳时会蒸发，形成其特有的尾巴。
07
核心, 音节核心
the central sound unit of a syllable, usually formed by a vowel or vowel-like element, around which other sounds cluster
例子
Every syllable must have a nucleus to be pronounceable.
核心在每个音节中是必要的，以便可发音。
