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sub-zero
01
零下, 低于零度
having below zero degrees Celsius or Fahrenheit
Example
The Antarctic winter brings sub-zero temperatures that challenge even the most prepared researchers.
南极冬季带来了零下的气温，即使是最有准备的研究人员也感到挑战。
Residents of the northern regions endure sub-zero temperatures for months during the winter.
北方地区的居民在冬季忍受数月的零下气温。
