extratropical cyclone的用法和樣例：
例句
- Therefore, the material of extratropical cyclone weather and climate are very important to choosing interocean routes.
因此，溫帶氣旋的天氣氣候資料在越洋航線選擇時具有重要價值。 - Rammasun became an extra-tropical cyclone in a baroclinic environment over the western North Pacific to the southeast of Japan on 13 May.
威馬遜於五月十三日在斜壓環境下在日本東南的北太平洋西部上轉化為溫帶氣旋。
