sw

IPA/ˌɛsdˈʌbəljˌuː/
IPA/ˌɛsdˈʌbəljˌuː/

sw — abbreviation

1. The direction that lies exactly halfway between south and west on a compass, or

1.縮寫A2
釋義

The direction that lies exactly halfway between south and west on a compass, or the part of a place that faces this way.

例句

The SW corner of the park has the oldest oak trees in the entire county.

collocation: SW corner

Winds from the SW brought warm, damp air and scattered showers all afternoon.

反義詞
  • NE

    north-east — the opposite compass direction

用法筆記

SW is a written short form for 'south-west' or 'south-western.' It is common on maps, compasses, weather charts, and in postal addresses — but people say 'south-west' aloud, not 'ess-doubleyou.'

常見錯誤

I live in ess-doubleyou London.
I live in south-west London.
💡People speak the full words, not the letters, when saying the direction aloud.

2. A range of radio frequencies between roughly 1.6 and 30 megahertz, used for send

2.縮寫B2
釋義

A range of radio frequencies between roughly 1.6 and 30 megahertz, used for sending programmes and messages across very long distances.

例句

Sana tuned the old radio to the SW band and heard a Portuguese choir singing.

collocation: SW band

The SW frequencies carry news programmes across whole oceans without needing the internet.

collocation: SW frequencies

用法筆記

SW stands for 'short wave.' It appears mainly on radio equipment, dials, and in broadcasting schedules — not in everyday conversation. Can be used attributively ('SW radio') or as a noun equivalent ('switch to SW').

sw — adjective

sw — noun