1·In teaching, we should pay attention both to it's phonetic value and retroflexed feature.
兼顾其音值的本质与卷舌的特点，才有利于教学。
2·This essay is a statistical and inductive analysis over the unstressed words and "r" -retroflexed words as listed in the "Outline of Chinese Vocabulary Classes".
本文对《汉语词汇等级大纲》中的轻声词和儿化词作了统计和分析归纳。