?正余面
... 正运动：positive motion 正余面：positive lap 正游标：direct vernier ...
正重迭
Locations which tested positive included the Millennium Hotel, the Abracadabra lap-dancing club and the Emirates football stadium, where Mr Lugovoi had watched Arsenal play CSKA Moscow.
BBC: Who was Alexander Litvinenko?
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。