nanotechnologyKK [ˏnænoˏtɛkˋnɑləˏdʒi] /ˌnænoʊˌtɛkˈnɑləˌdʒi/发音名词1奈米科技、奈米技术Nanotechnology has made these medical sensors far smaller and cheaper.奈米科技让这些医疗感测器变得更小、更便宜。用这个字练口说→