?
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。

by mistake
初中

美 / baɪ mɪˈsteɪk /
na. 因错误

1. I took your bag instead of mine by mistake.
我不巧错拿了你的包。
2. She took photos with her new smart phone and always shared her photos in her friend circle to express how happy she was. As a result, she often did something by mistake.
她用她的新智能手机拍照,并经常在她的朋友圈分享她的照片,以表达她的快乐。因此,她经常会做一些错误的事情。
3. He opened Ingrid's letter by mistake.
他误拆了英格丽德的信。
4. He drilled through the wall by mistake.
他误将墙壁钻穿了。
5. I did it by mistake.
我误做了这事。