The usage of finding the first word is as follows:

1. Word order search method: First of all, you need to know that the first pinyin is xia. Open the Xinhua dictionary and turn to the page of pinyin syllable retrieval. Then look back and find the pinyin starting with X. Look it up in this directory, and you will see the prefix.

2. radical search method: open the Xinhua dictionary and turn to the radical directory page. First, look up the word part of the second picture, the dictionary turns to the page number of the radical to find the list of radicals, then look up the first word and the corresponding dictionary page number in the fourth picture, and then turn to this page of the dictionary.

3. Online word search: Xinhua Dictionary provides the query function of simplified Chinese characters and traditional Chinese characters, including pinyin, strokes, radicals, five-stroke code, Cang Xie, Zheng code, code, number of Chinese characters in order of strokes, four-corner number, Chinese dialect, Chinese-English translation, part-of-speech change, Kangxi Dictionary explanation, interpretation of Chinese characters, English and other detailed information.

the combination and explanation of the first word

1. Pioneer: refers to the troops or members who walk in the forefront in the army or group, and is also used to describe people or things who are in a leading position in a certain field. Precedent: refers to similar situations or events that have happened in the past as a reference for dealing with problems now or in the future.

2. Ancestor: refers to ancestors or deceased predecessors. Congenital: refers to being born, born, and corresponding to the day after tomorrow. Ancestor: refers to a person who has a high status, achievements or prestige in a certain field. It is also used as a courtesy title for the elderly. Foresight: It refers to having keen insight and foresight about something or phenomenon.

3. initiative: it means to seize the initiative in a certain field or market and gain a dominant position. Go ahead: to walk or do something in front, paving the way for people or things behind. Transcendentality: refers to the knowledge or understanding that exists before experience, which corresponds to posteriori.

4. Prerequisites: refers to the conditions that must be met before an activity or a goal can be achieved. Prejudice: It means that the words you listen to first or the impressions you get first often occupy a dominant position in your mind, and it is not easy to accept when you encounter different opinions later. Pre-emptive strike: originally refers to the initiative of losing hands and controlling the opponent.