有没有一个单词是这意思？？
热心网友
单纯：naive, simple始终如一: constant
热心网友
单纯：purely ,naively始终如一: persistently,constantly,unswervingly
热心网友
pure 单纯through thick and thin 忠贞不渝
热心网友
单纯：purely ,naively始终如一: persistently,constantly,unswervingly
热心网友
供参考：单纯：purity 始终如一：unswerving