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frost on sth
描述某物表面有霜。
There was frost on the grass this morning.
今天早上草地上有霜。
霜
先理解核心含义，再看它在真实句子里的用法。
霜
a thin layer of ice crystals that forms on surfaces exposed to cold air, such as grass, windows, or cars
There was frost on the grass this morning.
今天早上草地上有霜。
物体表面凝结的冰晶层,由露水在冰点以下形成
A cover of minute ice crystals on objects that are exposed to the air. Frost is formed by the same process as dew, except that the temperature of the frosted object is below freezing.
形成白色沉积的冰晶(尤其在室外物体上)
ice crystals forming a white deposit (especially on objects outside)
导致冰晶形成的寒冷天气
The cold weather that causes these ice crystals to form.
足以导致结冰的寒冷天气
weather cold enough to cause freezing
The grass was covered with frost early in the morning.
清晨草地上覆盖了一层霜。
I had to scrape the frost off my car windshield before driving.
开车前我不得不刮掉挡风玻璃上的霜。
The late frost killed many of the young plants.
晚霜冻死了许多幼小的植物。
描述某物表面有霜。
There was frost on the grass this morning.
今天早上草地上有霜。
表示被霜覆盖的状态。
The car windows were covered with frost.
车窗上结满了霜。
描述霜形成的自然过程。
Frost forms on the leaves when temperatures drop.
温度下降时，叶片上会结霜。
Not this
It is frost outside.
Use this
It is frosty outside.
错误原因：frost 是名词，不能用作形容词描述天气。应用形容词 frosty。
Not this
The leaves are in the frost.
Use this
The leaves are covered with frost.
错误原因：表达“被霜覆盖”时应用短语 covered with frost，in the frost 表示“在霜中”，语义不符。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
浓霜
A heavy frost covered the grass this morning.
今早浓霜覆盖了草地。
地面霜
Ground frost can damage young plants.
地面霜会损害幼苗。
白霜
The white frost glittered on the leaves.
白霜在叶子上闪烁。
霜冻损害
Farmers are worried about frost damage to the crops.
农民担心霜冻对庄稼的损害。
防霜冻
They used covers for frost protection.
他们用覆盖物防霜冻。
结霜；变得冷淡
The windows frosted over during the night.
窗户在夜间结了一层霜。
霜冻精灵（拟人化的霜）
Jack Frost has been nipping at my nose this morning.
今天早上霜冻精灵一直在咬我的鼻子。
一丝寒意；冷淡的态度
There was a touch of frost in his voice when he answered.
他回答时声音里带有一丝冷淡。
杰克·弗罗斯特轻咬你的鼻子
The first frost of winter covered the grass.
冬天的第一场霜覆盖了草地。
霜打在了南瓜上
After the frost, the leaves turned red.
霜冻过后，叶子变红了。
Use frost naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想美国诗人Robert Frost的名字，他的姓氏就是霜。
neutral; weather reports, gardening, window frost. 通常用于描述天气寒冷时产生的冰晶现象，多用于日常对话和气象报道。
Words ending in 'ost' that rhyme with 'frost' (same vowel sound) include 'lost' and 'cost'. Others like 'host', 'ghost', 'most', 'post' have a different vowel sound (long o as in 'go') and do not rhyme.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY, WORDNET.