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The outermost electron is shielded from the nucleus.是什么意思？

The outermost electron is shielded from the nucleus.

原子核对最外层电子的作用受到屏蔽.

相关词汇
the outermost electron is shielded from nucleus

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

outermost

adj. 最外面的，离中心最远的；

electron

n. 电子；

is

vt.& vi. 是（be的三单形式；n. 存在；

shielded

adj. 防护的，铠装的，屏蔽了的，隔离的；v. 掩护( shield的过去式和过去分词 )，庇护，给…加防护罩；

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

nucleus

n. 中心，核心，（原子）核，起点，开始，[微]细胞核；
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