It's not polite to leave a freshly presented piece of sushi for too long in front of you, as temperature, texture and moisture all change.
把一道在你面前新鲜上桌的寿司冷落太久是不礼貌的，因为温度、结构质地、湿度都会改变。
2
A cold front beginning on Friday and continuing through Saturday will bring strong wind and a temperature decline of 6 to 8 degrees Celsius in north China.
从周五开始一直持续到周六的冷空气前锋，将给华北地区带来大风降温天气，降温幅度为6-8摄氏度。
3
He expects the cold front to end on March 16 nationwide and then the temperature will start to rise.