set down 是写下，记下的意思。用法为set down sth，后面直接加名词。例句: The police sest down my car number.警察记下了我的汽车号码。
set down用法1.放下，搁下：例句: to set down one's bag
放下包
2.写下，记下；登记：例句: The police sest down my car number.
警察记下了我的汽车号码
3.使(飞机)着陆；使降落：例句: My plane was set down in a heavy fog.
我乘坐的飞机在浓雾中着陆。
4.让(乘客)下车：例句: to set down the passengers
让乘客下车
5.把(货物)从车上卸下：例句: The train stopped at the station to set down lots of waste.
火车进站停车，卸下了许多废物。
6.把…看做，把…认作(as)：例句: He was set down as a fool.
他被看成是个傻瓜。
7.把…解释为…，把…归因于…(to)：例句: to set one's silence down to his diffidence
把沉默归因于羞怯
8.制定；规定：例句: The rules for service have been set down.
有关修理业的规章已经出台。
9.确定；决定…的日期：例句: the plan to be set down
业已确定的计划
10.使坐下
11.(马赛中)暂停…参赛
12.[口语]申斥，谴责：例句: I was set down by my father.
我爸骂了我一顿。
