The second kind of words are relatively difficult and require recognition. Generally, a class of words is marked with pinyin. Know the font, understand the meaning initially, and do not require writing.
Extended data
The difference between a class of new words and a class of new words;
It is generally required to master a class of new words, which is relatively easy to test. Teachers usually do dictation.
Generally speaking, the second category only requires understanding and reading, not writing. Some words will be biased or difficult to write.
In textbooks, one font is generally large and framed by squares, while the other is generally small.