自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-VAR 雾 When there is fog, there are tiny drops of water in the air which form a thick cloud and make it difficult to see things.
The crash happened in thick fog...
These ocean fogs can last for days.
N-SING 烟雾;尘雾 A fog is an unpleasant cloud of something such as smoke inside a building or room.
...a fog of stale cigarette smoke.
N-SING 迷惑;迷雾 You can use fog to refer to a situation which stops people from being able to notice things, understand things, or think clearly.
The most basic facts about him are lost in a fog of mythology...
Synchronizing these attacks may be difficult in the fog of war...
V-ERG (使)(窗户、镜子等)起雾;(使)变模糊 If a window, mirror, or other glass surface fogs or is fogged, it becomes covered with very small drops of water so that you cannot see things clearly through it or in it.
The windows fogged immediately...
Water had fogged his diving mask and he couldn't remember how to clear it...