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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-fall

英 / ˈfriː fɔːl /
美 / ˈfriː fɔːl /
na. (跳伞的)自由降落;降落伞张开以前的降落;(火箭等的)惯性运动

第三人称单数:free-falls;现在分词:free-falling;过去式:free-fell;过去分词:free-fallen

1. In Venezuela, collapsing oil prices have sent its economy into free-fall.
油价暴跌导致委内瑞拉经济猛跌。
2. An "open window" is not beneficial if you step through and free-fall four stories.
如果开窗的结果是直接从四楼掉了下去的话,“打开上市窗口”不一定是好事。
3. General Motors' shares went into free-fall on Thursday, dropping 31% after a rating agency threatened to downgrade its debt.
通用汽车的股票在周四自由落体,在某评价机构威胁要调低其评价后,股价下降了31%。
4. The darkest scenario-that investors panic at the Fed's loose policy, sending the dollar into free-fall-is becoming worryingly plausible.
令人担忧的最黑暗的一幕——投资者对美联储宽松政策的恐慌,让美元成为自由落体——正越来越成为可能。
5. I think it means the rate of decline in the economy, which during late last year and the first quarter of this year was like a free-fall, is definitely slowing down.
我认为,这表示,经过去年年底和今年第一季度自由落体式的经济下滑后,现在经济衰退的速度绝对是放慢了。