1. 名詞
   atom複數: 原子
   微小物
   

   同義字詞
   bit,crumb,dribble,fleck,flyspeck,grain,granule,molecule,morsel,mote,nubbin,nugget,particle,patch,scrap,scruple,snip,snippet,speck,tittle
   

例句

1. Oxygen atoms always travel in pairs never alone.
2. We share more than the same atoms and molecules.
3. Ozone is a molecule containing three oxygen atoms .
4. Atoms , molecules, cells are all circular in shape.
5. The xenon atoms remain polarised for about half an hour.
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