Real familiarity with a 3,000 word vocabulary constitutes a good base for further English language learning.

真正掌握了3000单词，就具备了进一步学习英语的基础。

youdao

Real familiarity with a 3,000 word vocabulary constitutes a good base for further English language learning.

真正掌握了3000单词，就具备了进一步学习英语的基础。

youdao