?
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。

weakened
CET4

美 / ˈwiːkənd /
变弱

1. He was much weakened constitutionally by the disease.
那场病使得他体质大大减弱。
2. The technique consists of injecting healthy cells into the weakened muscles.
这项技术包括把健康细胞注射进衰弱的肌肉里。
3. The recession has weakened so many businesses that many can no longer survive.
经济衰退削弱了很多企业的实力,以至于很多无法再生存下去。
4. Germany's attack has been weakened by the loss of some key players through injury.
德国队几名主力队员因伤不能上场,削弱了进攻力量。
5. Does that mean the link between lower oil prices and growth has weakened?
这是否意味着,油价下跌与经济增长之间的联系已经减弱?