| 释义 |
at.omH5At7Em, $5At-n [C]the smallest unit of any chemical element, consisting of a positive NUCLEUS surrounded by negative ELECTRONS. Atoms can combine to form a MOLECULE.原子A molecule of carbon dioxide (CO2) has one carbon atom and two oxygen atoms.二氧化碳的分子有一个碳原子和两个氧原子。(fig. ) He hasn't an atom (=not even the smallest bit) of sense, that boy.他一点也不懂事，这孩子。(slightly dated) An atom bomb (also atomic bomb) is a bomb that uses the explosive power that results from breaking the atom.原子弹Over 200 000 Japanese people were killed or wounded when two atom bombs were dropped on Hiroshima and Nagasaki in 1945.1945年在广岛和长崎扔下的两颗原子弹造成20多万日本人的伤亡。"The next war will be fought with atom bombs and the one after that with spears" (Harold Urey, 'Sayings of the Week'in The Observer newspaper, 1946)“下一次战争使用的将是原子弹，而再下一次战争使用的则将是长矛。”(哈罗德·尤里)
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