“I bring back all the words from number (level one, level ） two, and add 20 more words.
“I bring back all the words from number (level one, level ） two, and add 20 more words.
“我把一，二级中的单词全部录入近来，然后再新增20个新词。
“I bring back all the words from number (level one, level ） two, and add 20 more words.
“我把一，二级中的单词全部录入近来，然后再新增20个新词。