[ 'ætәm ]
牛津3000核心词汇 柯林斯星级 ★★☆☆☆ BNC词频 4241 COCA词频 5184
n. 原子, 核能, 微粒, 微量
[计] 原子
n. (physics and chemistry) the smallest component of an element having the chemical properties of the element
n. (nontechnical usage) a tiny piece of anything
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