1. 毯子；毛毯
    A blanket is a large square or rectangular piece of thick cloth, especially one which you put on a bed to keep you warm.

2. 覆蓋層
    A blanket of something such as snow is a continuous layer of it which hides what is below or beyond it.

    e.g. The mud disappeared under a blanket of snow...
           泥巴被積雪蓋住了。
    e.g. Cold damp air brought in the new year under a blanket of fog.
           厚厚的一層霧伴著陰冷潮濕的空氣迎來(lái)了新的一年。

3. （不好的情感、性質(zhì)等的）彌漫，充斥
    You can refer to something such as an unpleasant emotion or an undesirable quality that seems to affect every aspect of a particular situation as a blanket of that emotion or quality.

    e.g. It seems as if the blanket of depression is in some way necessary to help them blot out the even greater pain of real life...
           似乎這種彌漫的抑郁情緒多少能幫助他們忘卻一些現(xiàn)實(shí)生活中更大的痛苦。
    e.g. A blanket of silence descended.
           大家都沉默不語(yǔ)。

4. 覆蓋；遮蓋；蓋住
    If something such as snow blankets an area, it covers it.

    e.g. More than a foot of snow blanketed parts of Michigan...
           密歇根州的部分地區(qū)被超過(guò)一英尺厚的積雪所覆蓋。
    e.g. With a thick mist now blanketing the trees, I got thoroughly lost.
           此時(shí)濃霧籠罩著林木，我徹底迷路了。

5. 通用的；全面的；無(wú)一例外的
    You use blanket to describe something when you want to emphasize that it affects or refers to every person or thing in a group, without any exceptions.

    e.g. There's already a blanket ban on foreign unskilled labour in Japan.
           日本已經(jīng)全面禁止國(guó)外非熟練工入境。
    e.g. ...the blanket coverage of the Barcelona Olympics.
           對(duì)巴塞羅那奧運(yùn)會(huì)的全面報(bào)道

6. see also: electric blanket;security blanket;wet blanket