汉语拼音是一种辅助汉字读音的工具，是汉字注音拉丁化方案。Pinyin is a tool to assist the pronunciation of Chinese characters, and it is the Latinization scheme of Chinese phonetic transcription

汉字别称方块字，是汉语的记录符号，属于表意文字的词素音节文字。汉字是世界上最古老的文字之一，已有六千多年的历史。Chinese characters, also known as square characters, are the recording symbols of Chinese and belong to the morpheme-syllabic characters of ideographic characters. Chinese characters are one of the oldest scripts in the world, with a history of more than 6,000 years.

汉语词语是词和短语的合称，包括词（含单词、合成词）和词组（又称短语），词语是组成汉语句子文章的最小结构形式单元。Chinese words are a combination of words and phrases, including words (including words and compound words) and phrases (also known as phrases). Words are the smallest structural units that make up Chinese sentences and articles.

汉语句子由词、词组(短语)构成，能表达一个完整的意思，如告诉别人一件事情，提出一个问题，表示要求或者制止，表示某种感慨，表示对一段话的延续或省略。Chinese sentences are composed of words and phrases (phrases), which can express a complete meaning, such as telling someone something, asking a question, expressing a request or restraint, expressing a certain emotion, expressing a continuation or omission of a paragraph.