The temperatures remained below freezing all day.

气温一整天都保持在冰点以下。

《牛津词典》

It's below freezing and small icebergs are floating by.

气温在冰点以下，一座座小冰山正漂过。

《柯林斯英汉双解大词典》

Tonight temperatures will fall well below freezing (point).

今夜温度将远降至冰点以下。

《牛津词典》

In climates where temperatures fall below freezing, plant mums at least six weeks before the first frost is expected.

VOA: special.2010.06.29

Below freezing temperatures combined with compacting snow has meant traffic chaos for drivers in Germany, Poland and elsewhere.

VOA: standard.2009.12.21

When fog forms below 0C, its super-cooled water droplets remain liquid, even though the temperature is below freezing.

BBC: The quest to see China��s extraordinary frozen fog

Temperatures should be below freezing overnight, with wind chills making it feel like -15 degrees Fahrenheit.

CNN: STORY HIGHLIGHTS

Gritters with snow ploughs were out on Northamptonshire's icy roads overnight as temperatures stayed below freezing.

BBC: Northampton town centre