1 and cān contain, mixed alternately; Test, use other relevant materials to study and verify something; Explore and understand; Always means that the lower level meets the higher level; Impeach, appeal to the emperor.

2. shēn means the name of the stars, one of the twenty-eight nights; Chinese medicine name.

3. The definition of Cē n refers to uneven length, such as "uneven" and "uneven".

4.sān interprets the ancient "three" and its capitalization. ?

Example of word combination:

1, participate: You must attend this party, otherwise you will miss a good opportunity.

2. Parameters: The system includes state delay and parameter uncertainty.

3. Reference: At the examination site, the invigilator strictly invigilates, the students refer to it in an orderly manner, and the examination room is orderly.

4. Visiting: For important class activities, such as going out to visit and holding parent-teacher conferences, you should ask the principal in advance.

5. Staff: If you want to succeed, you should regard persistence as a good friend, experience as a staff, attention as a brother and hope as a pioneer.

6. Participation: When the bell rings, the students rush out of the classroom like birds and take part in their favorite recess activities.

7. Reference: These two products are just different in appearance and have the same function. Please refer to page 9 of the sample book for details.

8. Reference: On the afternoon of July 9th, besides American novels, he also read many books in the library.