Bump (āo tū) is a Chinese character, which means that (the road surface) is uneven and is often used as an idiom. Concave and convex are two different characters in Chinese characters, and they are also an pictograph. It seems simple, but it is really not easy to write its strokes correctly, and there are many people who make mistakes in pronunciation.
Concave-convex is one of the most typical hieroglyphs in Chinese characters. In the traditional concept, the word bump is neutral or even derogatory, and the old people don't like these two words very much: it means that the road is bumpy and life is ups and downs.
Word segmentation explanation: concave, a Chinese first-class word, is pronounced concave (āo or wā), and its original meaning means high around and low in the middle. Used as a verb, pointing inward or sinking. Said by: There is no bump in its lake, and there is no competition in Pinghu. -"Miracle Sutra, Northern Famine Sutra".
Convex, a Chinese first-class word, is pronounced convex (tū), and its original meaning is higher than its surroundings. Used as a verb to show appearance and make it stand out from the surroundings, surface or range. Kangxi dictionary "Tang Yun" does not cut "Ji Yun". Dolphins entered the bay. Appearance. Du Fu's Poems are hard to win because of their clouds. The wine in Du Mu's poems is heart and light.
The benefits of learning words
It contains the beauty of language, traditional wisdom and historical allusions. After thousands of years of precipitation, it has extremely high wisdom and connotation. Although it is a few numbers, it means a lot. Children who master idioms have witty remarks and writing with the help of God. It embodies the essence of China traditional culture, which can not only improve children's language expression ability, but also serve as a kind of moral education, which is of great benefit to children's growth.
Chinese tests children's ability to master words, and composition is the standard to test this ability. How to improve children's literary literacy and writing ability has always been the focus of Chinese teaching. After children master idioms skillfully, they can apply them to composition, which is very helpful to improve their Chinese performance.