The short written form of southwest, or of southwestern.

southwest西南 or southwestern或西南方向 The short written form of的簡稱

You use it where space is tight and the reader already expects a direction: on a map, on a compass, in a weather report ('wind SW 15 km/h'), and in addresses in some cities. Washington, D.C. is the famous case — an address there ends with a quarter of the city, so you write '400 K Street SW'. Some places also use it in the name of a region, like 'SW Florida'.

where space is tight and the reader already expects a direction在空間有限、讀者已經知道該看方向的地方 on a map, on a compass, in a weather report ('wind SW 15 km/h'), and in addresses in some cities像地圖上、羅盤上、氣象報告裡(例如'wind SW 15 km/h')、還有某些城市的地址裡 you use it都會用到它 Washington, D.C. is the famous case華盛頓特區就是有名的例子 an address there ends with a quarter of the city那裡的地址結尾會加上城市的一個轄區 so you write '400 K Street SW'所以會寫成'400 K Street SW' Some places also use it in the name of a region有些地方也會用在地區名稱裡 like 'SW Florida'像'SW Florida'

It is written, not spoken: when you read it out, you say the whole word, 'southwest'. It is usually written with two capital letters and no full stops, though older or more formal books sometimes write S.W.

It is written, not spoken是用寫的，不是用講的 when you read it out, you say the whole word, 'southwest'要唸出來的時候會唸完整的字'southwest' It is usually written with two capital letters and no full stops通常寫成兩個大寫字母、中間不加句點 though older or more formal books sometimes write S.W.不過比較舊或比較正式的書有時候會寫成S.W.

In Britain you will also see SW at the start of London postcodes (SW1, SW19), because London's post areas are named by direction from the centre.

In Britain在英國 you will also see SW at the start of London postcodes (SW1, SW19)你也會看到SW出現在倫敦郵遞區號的開頭(像SW1、SW19) because London's post areas are named by direction from the centre因為倫敦的郵遞分區是以市中心為準、用方向命名的