?
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。

on the hop

na. 到处奔忙

1. His plans almost caught security chiefs and hotel staff on the hop.
他的计划几乎让安全主管和饭店工作人员都措手不及。
2. I'm afraid your order has caught us on the hop-the goods aren't available yet.
恐怕你的订单来得太突然,我们全无准备,目前尚无货源。
3. I went in without knocking and there was his secretary sitting on his knee; I'd caught him on the hop.
我进去时没敲门,他的秘书正坐在他膝盖上,我搞得他措手不及。
4. Louis's decision caught Henry on the hop. He rode through the night in order to be able to greet Louis on Dover beach.
路易国王的决定令亨利二世措手不及,为了赶得及在多佛海滩迎接路易国王,他星夜骑马赶路。
5. The cluster analysis based on the hop volatile compounds can be used to find the proximity of hop aroma and to distinguish hop varieties.
以酒花挥发性成分为基础对酒花进行聚类分析,既能寻找酒花的替代品也能够进行酒花品种的鉴定。