sub-zero
US /ˌsʌbˈzɪroʊ/
UK /ˌsʌbˈzɪərəʊ/
形容詞
零下的
referring to temperatures that are lower than zero degrees
範例:
•
The hikers had to endure sub-zero temperatures during the night.
徒步旅行者在夜間不得不忍受零下的溫度。
•
It is dangerous to be outside in sub-zero conditions without proper gear.
在沒有適當裝備的情況下，在零下的環境中待在戶外是危險的。