?
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。

defects
CET4

英 / dɪˈfekts /
美 / ˈdiːfekts; dɪˈfekts /
n. 缺点;瑕疵;不合格品(defect 的复数)
v. 叛变(defect 的三单形式)

1. A report has pointed out the defects of the present system.
一份报告指出了现有体制的缺陷。
2. There was no positive evidence that any birth defects had arisen as a result of Vitamin A intake.
没有确凿证据表明摄入维生素A会导致先天缺陷。
3. A hearing aid helps to overcome defects in hearing.
助听器有助于克服听觉缺陷。
4. Although I have many mistakes and defects, they still like me.
尽管我有很多错误和缺陷,但是他们还是喜欢我的。
5. On the other hand, I can't sing something I don't like and that's one of my defects.
另一方面,我不能唱一些我不喜欢的歌,这是我的缺点之一。