low-temperature level

例句：

1. 1. The low-temperature level in the roomis below freezing point.
   房间里的低温水平低于冰点。
2. 2. The scientists are trying todetermine the low-temperature levelof the glacier.
   科学家们正在试图确定冰川的低温水平。
3. 3. Thelow-temperaturelevel in the lake has causeda lot of fish to die.
   湖中的低温水平导致许多鱼死亡。