Idioms or four-character words with page numbers

1. Shale landform: What is the pinyin? 【 YYá n Dü mà o 】 refers to the landform where shale develops. Due to the weak lithology of shale, it is easy to be weathered and eroded, and many valleys and basins are formed on the terrain. Hard shale can also form mountains. Because shale is not easy to penetrate water, swamps and wetlands often form in low-lying areas.

2. Personalized homepage: What is Pinyin? [gé xing zh ǔ yé] refers to the exclusive homepage made according to the personal preferences of netizens, which brings full convenience for personalized internet access.

3. Header Page Number: Pinyin? [Yè mé i Yè m] refers to the name or code of the unit that sends the file, and the number of pages that can make the receiver print the file when the machine sends a multi-page file.

4. Arch Page: Pinyin is [gǒng yè ráng zǐ], which is a special language for people in Jianghu to communicate with each other in the old society. Also known as argot, jargon, incision and slang. It is a special argot created by China refugee social groups for different cultural customs and communication needs.

5. Boot page: Pinyin is [pí xuē yé r], which means wallet. In the old society, it was called because the wallet was hidden in the trunk.