Chinese characters for oral and easy-to-shape, pronounced as X: and, are not found in general dictionaries. This word can be found in the word sea by dichotomy. The pronunciation given is X: and the explanation is [~ ~] birdsong. Eight paintings from the mouth of Chinese Dictionary 2.

Extension: two-point word search method. Two-point search method refers to dividing a word into two parts, namely, Chinese characters, pinyin and strokes.

Example: Input (nine methods are acceptable): Guan, Cao Guan, Guan, Cao Guan, Guan, Cao 8, Guan, 1 1. Where: Numbers are the remaining strokes.

Take the biggest one from beginning to end, such as: hand rich, menu. Chinese characters are represented by common words in the first and second parts. Only the commonly used parts are taken, and the redundant parts are omitted.

1. Forward enlargement of header: from the first stroke, try to take the largest common words and common radicals as the header.

2. The tail is reversed: from the last stroke, you must not repeat the first stroke, and try to take the largest common word as the tail.

3. When adjacent characters are common, take adjacent characters.

4. When it is similar to common characters, replace it with common characters.