hoarfrost
US /ˈhɔːrˌfrɔːst/
UK /ˈhɔːˌfrɒst/
名詞
樹霜, 白霜
a deposit of ice crystals formed on objects exposed to the air, occurring when the temperature of the object falls below the frost point of the air
例:
•
The trees were covered in a beautiful layer of hoarfrost.
木々は美しい樹霜の層で覆われていた。
•
On cold winter mornings, the ground was often dusted with hoarfrost.
寒い冬の朝には、地面はしばしば樹霜で覆われていた。