two ribs两肋twonum.二；两个two thousand four hundred and ninety nine(=2499) 二千四百九十九Two dimensional electrophoresis microchip微流控二维电泳芯片two thousand three hundred and ninety one(=2391) 二千三百九十一two thousand three hundred and ninety two(=2392) 二千三百九十二two thousand two hundred and twenty eight(=2228) 二千二百二十八two thousand nine hundred and thirty nine(=2939) 二千九百三十九two thousand eight hundred and twenty one(=2821) 二千八百二十一two thousand three hundred and thirty six(=2336) 二千三百三十六two-feed terry jacquard hoisery machine双吃提花毛巾袜机two thousand seven hundred and fifty four(=2754) 二千七百五十四