and:和,并
e.g.I like English,maths,and Chinese.
Please stand up,come over here and clap my hand.
基本用法：
连词“and”表示“和”、“并且”的意思,用来连接并列关系的词和词、短语和短语、句子和句子.
e.g.Do you have a pen and a ruler?
通常,单词或词组如果是三个或三个以上连接,一般在最后的单词或词组前加and.
特殊用法：祈使句,+ and… = If(如果) you…,you’ll …
e.g.Study hard,you’ll make big progress.
= If you study hard,you’ll make big progress.