write down,write with ,write in,writeon都啥意思?

write down 写下；减低帐面价值；把…描写成Write down yor name,age and sex .把你的姓名、年龄和性别写下来.write with用.写Finally,write with your pen.最后,用钢笔来写.write in书面要求；写入；写信提出（请求...