atom
柯林斯詞典
1. N-COUNT An atom is the smallest amount of a substance that can take part in a chemical reaction. 原子
...the news that Einstein's former colleagues Otto Hahn and Fritz Strassmann had split the atom. …愛因斯坦的前同事奧托·哈恩和弗裡茨·斯特拉斯曼曾分裂了原子的消息。
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atom /??t?m/ (atoms)
劍橋詞典
- the smallest unit of any chemical element , consisting of a positive nucleus surrounded by negative electrons . Atoms can combine to form a molecule
- The nucleus of a deuterium atom contains a proton and a neutron .
- Scientists are working to harness the power of the atom. 返回 atom
原子
A molecule of carbon dioxide (CO2) has one carbon atom and two oxygen atoms. 二氧化碳（CO2）分子是由一個碳原子和兩個氧原子搆成的。
figurative He hasn't an atom of sense (= he has no sense ), that boy . 那個孩子啊，一點頭腦也沒有。
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