?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

smoke screen

un. 烟幕

复数:smoke screens

1. They hide their real intentions behind a smoke screen of religious piety.
他们以虔诚信教为烟幕来掩盖他们真正意图。
2. Sometimes I skirt the question, put up a journalistic smoke screen and simply deflect.
有时我会绕开他们的问题,亮出新闻烟幕那一套,转移到别的话题。
3. Three methods about measuring transmissivity of IR smoke screen were introduced in this paper.
介绍了红外烟幕透过率测量的三种方法。
4. But we think it is a smoke screen to hide his plan to divorce with his wife and get married with a young woman.
但是,我们认为这是他使用的烟幕来掩盖他为了一个年轻女人而跟太太离婚的计划。
5. Cherubic and deceptively guileless, she used "humour as a dodge, intimacy as a smoke screen", Ms Salomon notes.
所罗门女士指出,她胖乎乎的而天真无邪,看似诚实,其实用“幽默作托词,亲密作烟幕”。