来自刘爱莲的问题
英语翻译Insidealeaf,therearemillionsoflittlecolor"bags''.They'regreen,yellowandorange.Thegreenonesarechlorophyll.Theyellowonesarexanthophylls.Theorangeonesarecarotene
英语翻译
Insidealeaf,therearemillionsoflittlecolor"bags''.They'regreen,yellowandorange.Thegreenonesarechlorophyll.Theyellowonesarexanthophylls.Theorangeonesarecarotene
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2019-04-09 22:39