What does a piece of chalk mean?

This sentence is the first part of a couplet. The complete first part is "a piece of chalk is clean, the three-foot platform is sunny and rainy all the year round, plus the internal organs, Jiu Si is very attentive", and the second part is "Poems in ten volumes, nine chapters, eight articles, seven latitudes of geography, plus six arts, five classics, four books, three words, two elegance and one heart, teaching people tirelessly, making a modest contribution to cultivating English in Ze China".

This pair of couplets is the creation of online writers, which deeply expresses the sincere praise for the profession of teachers, shows the professionalism of teachers and the greatness of educating children in the form of couplets, and is suitable for students to thank and praise teachers.

Expand the information to praise the teacher's other sentences.

"A piece of chalk has two sleeves and three feet of breeze, and the podium is sunny and rainy all year round" is a modern poem praising teachers' profession. Here are some modern sentences and couplets praising teachers:

1, with thousands of efforts, in exchange for peaches and plums.

2, three feet platform, three inches tongue, three inches pen, three thousand peaches and plums; Ten years of trees, ten years of wind, ten years of rain and a hundred thousand columns.

3, as a model of the world, be a teacher.

4. Where knowledge does not exist, ignorance pretends to be science; Where teachers don't exist, ignorance becomes wisdom.