sub-zero
US /ˌsʌbˈzɪroʊ/
UK /ˌsʌbˈzɪərəʊ/
形容词
零下的
referring to temperatures that are lower than zero degrees
示例:
•
The hikers had to endure sub-zero temperatures during the night.
徒步旅行者在夜间不得不忍受零下的温度。
•
It is dangerous to be outside in sub-zero conditions without proper gear.
在没有适当装备的情况下，在零下的环境中待在户外是危险的。