?
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。

sentries
GRE

美 / ˈsentriz /
n. 哨兵(sentry 的复数)
v. 放哨(sentry 的三单形式)

1. There were the churches—Baptist, Methodist, and Presbyterian—facing each other at the intersection of Second and Elm like wary sentries, their steeples competing for height.
浸礼会教堂、卫理公会教堂和长老会教堂,在第二大道和榆树大道的交叉口,它们像机警的哨兵一样面对面地矗立着,教堂的尖塔争相往高处伸。
2. They've got sentries posted, and they are all armed.
他们布置了岗哨,而且都全副武装。
3. The sentries were on the look-out, of course, with their guns and their "Who comes there?"
当然,哨兵们带着他们的枪站在瞭望台上,问“来的是谁?”
4. Just cut along outside and look after those stoat-sentries of yours, and see what they're doing.
抄近道出去,看看你的那些白鼬哨兵们,看看他们在干什么。
5. Uncle Sam's war dog sentries have seen their first overseas duty in Puerto Rico. "Adrian" the police dog sentry can't wait to leave his portable kennel.
山姆大叔的哨兵犬在波多黎各首次执行海外任务。警犬“阿德里安”迫不及待地想离开它的便携式狗窝。