nanotechnology
noun [ U ] uk/ˌnæn.əʊ.tekˈnɒl.ə.dʒi/ us/ˌnæn.oʊ.tekˈnɑː.lə.dʒi/
纳米技术（指通过控制原子的组合排列开发制造微型器具的学科）
an area of science that deals with developing and producing extremely small tools and machines by controlling the arrangement of separate atoms