the depth of lexical knowledge

• 词汇深度

the depth of lexical knowledge的用法和样例：

例句

1. From Year One to Year Three, the subjects increase their depth of vocabulary knowledge significantly while such development stagnates from Year Three to Year Four.
   低年级学生词汇深度知识的组内差异较大，而随着年级的升高，组内差异逐渐缩小。