1. According the linguistic features of attrited words, the study categorized the words into four types: nonattrited words, attainable words, semi-attrited words, and fully attrited words.
词汇磨蚀可以根据其语言学表征分为四类：耐蚀词汇、易蚀词汇、半蚀词汇和全蚀词汇。
2. The target words were 12 high-frequency transparent words, 12 high-frequency opaque words, 12 low-frequency transparent words, 12 low-frequency opaque words and 48 pseudowords.
目标刺激为高频透明、高频不透明、低频透明、低频不透明词各12个和48个假词，被试任务为即既又准的判断目标刺激是否是一个词。
3. For words, there are translation methods of ordinary words, special words, quantifier, onomatopoeia and popular words, etc.
词语的翻译方法包括普通词语、同形汉字词、特殊词语、数量词、拟声拟态词、流行语等的翻译方法；
4. Older adults fixated longer on low-frequency words than on high-frequency words. Older readers" fixation time are shorter on high-predictable words than on low-predictable words."
在低频目标词上老年人需要更多的注视时间，而在可预测语境中老年人提取目标词的速度更快。
5. Older adults fixated longer on low-frequency words than on high-frequency words. Older readers" fixation time are shorter on high-predictable words than on low-predictable words."
在低频目标词上老年人需要更多的注视时间，而在可预测语境中老年人提取目标词的速度更快。
