求翻译：一个学生所掌握的英语词汇量和运用词汇的准确程度，是衡量其英语水平的尺度之一。因此，词汇教学一直是外语教学的重点,但其教学质量与效率却往往不尽如人意。是什么意思？

Students to master a vocabulary of English words and use the accuracy of, is a measure of the scale of their English proficiency. Therefore, the vocabulary teaching has been the focus of foreign language teaching, but teaching quality and efficiency are often not satisfactory.

One of the students of English vocabulary and use of vocabulary is a measure of its degree of accuracy, one measure of English proficiency. Therefore, vocabulary teaching has been a focus of foreign language teaching, but its teaching quality and efficiency are often unsatisfactory.

A student grasps English vocabulary and the utilization glossary accurate degree, weighs one of its English proficiency criteria.Therefore, the glossary teaching always is the foreign language teaching key point, but its quality of teaching and efficiency actually often not entirely as desired.

A student at the disposal of and use the vocabulary word accuracy, one measure is a measure of their level of English. Therefore, has been the focus of foreign language teaching and the teaching of vocabulary, but its quality and efficiency of teaching is often unsatisfactory.

English vocabulary that a student knows and using the accurate degree of the vocabulary, it is one of the yardstick of weighing its English level. So, the teaching of vocabulary has been a focal point of the foreign language teaching all the time, but its teaching quality and efficiency are often no