?
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。

free-fallen

1. Television footage showed rescuers trying to free people buried underneath fallen debris, while others scrabbled through wires, construction rods and boulders.
电视镜头显示,救援人员试图救出被埋在废墟下的人,而其他人则在电线、建筑杆和巨石中摸索。
2. Analysts say AD revenue at many free newspapers has fallen by more than a third in recent months, compared with a year earlier.
分析人士认为,与上年同期比,许多免费报纸中在最近几个月中广告收入下降了三分之一以上。
3. The guy in Utah who cut off his arm to free himself from under a fallen boulder.
犹他州一名男子为了从坠落的巨石下逃生,切断了自己的胳膊。
4. The predicted year when summers in the Arctic would be free of sea ice has fallen from 2100 to 2050 to 2030 in a couple of years.
几年之内,对于北极地区夏天将无海冰的预期年份,从2100年降至2050年直至2030年。
5. He says Japan has fallen behind in the past decade, as other countries have pushed for free trade.
他说,由于其它国家推动自由贸易,日本在过去10年已经落后。