shuu-shuu
The continuous hissing sound made by steam escaping a valve, a kettle boiling, or gas leaking. A sustained, pressurized release of air.
💡Used for steam kettles, pressure cookers, gas leaks, or any pressurized air escaping.
やかんがしゅうしゅうと音を立てて、お湯が沸いたことを知らせた。
The kettle hissed to signal that the water had boiled.
The pressure cooker was ___ as the steam escaped from the valve.
圧力鍋が___と蒸気を吹き出していた。