The temperature was sub-zero.

气温在零下。

youdao

This expansion can cause the temperature of the air to drop to sub-zero levels.

这种膨胀能够导致空气温度降到零度以下的程度。

youdao

This expansion can cause the temperature of the air to drop to sub-zero levels.

这种膨胀能够导致空气温度降到零度以下的程度。

youdao