趣英语 / butene的音标？

butene的音标？

butene的音标：
butene的英式发音音标为：[bʌ'ti:n]
butene的美式发音音标为：[bʌ'tin]
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    Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butene.三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 - butene.三氟丙炔和全氟...