?
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。

extensions
高中

n. 扩展,扩张;延长(extension 的复数)

1. The bank plans various extensions to its credit facilities.
银行计划多方扩展信贷服务。
2. After a few extensions, the program was abolished.
几次延期之后,这个项目被取消了。
3. Women who want to add length to their locks can do it in many ways, including weaved extensions or synthetic hairpieces.
想要增加她们头发长度的女性可以有很多方法了,包括织入式假发或合成式假发。
4. Sometimes parents regard their children as extensions of themselves and think it only right and natural that they determine what their children do with their lives.
有时,父母把孩子看作是自己的延续,他们认为自己决定孩子在生活中做什么是绝对正确和理所当然的。
5. The county boroughs also had many boundary extensions.
县行政区也有许多边界延伸。