Sight Words，顾名思义，就是一入视觉就立即能反应的词汇。 Sight Words 是儿童阅读初期的常用词，约有 220 个。 它是由美国学者 Dolch 针对英语儿童读物做了系统分析和统计后整理出来的最常使用的词。 这些词在英语教科书，图书，报章，杂志中的出现率为 60-85%。

These long A words printables are great whether you’re in the classroom or at home. Download Long A Words Worksheets Each vowel can make two different sounds: a short vowel sound and a long ...

The LDM 220 is a compact and low cost dosimeter reader that communicates with the dosimeters of the DMC 2000 or SOR families in pass-by data exchange mode. Associated with the DOSICARE or DOSIFAST ...