?
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。

widows
CET4

n. 寡妇(widow 的复数形式)
v. 使成寡妇;杀死……的丈夫(widow 的三单形式)

1. My grandmothers are both widows.
我的祖母和外祖母都是寡妇。
2. Widows seem to experience more distress than widowers.
寡妇似乎比鳏夫感受更多痛苦。
3. The effect was first noted in 1858 by William Farr, who wrote that widows and widowers were at a much higher risk of dying than their married peers.
1858年,威廉·法尔(William Farr)首次发现了这一效应,他写道,寡妇和鳏夫的死亡风险比已婚同龄人高得多。
4. Wildberg master-widows were not untrained for, as Ogilvie notes elsewhere, wives and children worked with masters, their training may have been informal, but it existed nevertheless.
怀尔德伯格主妇并非没有受过训练,因为正如欧吉维在其他地方指出的那样,妻子和孩子与主人一起工作,他们的训练可能是非正式的,但它仍然存在。
5. Some were single, some married, some widows.
一些是单身,一些已婚,一些守寡。