atom
/ˈætəm/
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n. 原子
- Using a special microscope, scientists took a picture of individual atoms lined up in rows. 科學家用特殊的顯微鏡，拍下了一個個原子排列成行的照片。
其他意思
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n. 原子, 微粒
An atom is the smallest amount of a substance that can take part in a chemical reaction.
- A methane molecule is composed of one carbon atom attached to four hydrogens.
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tom 切
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