您要找的是不是：
?奇点
... 奇对称 odd symmetry 奇点 singlepoint 奈特套阀 knight sleeve valve ...
单点量测
单点校友
单口加油
He went on to establish a mobile-network service provider called Singlepoint in 1993.
FORBES: Mobile Phone Billionaire John Caudwell?Dials In For Gates-Buffett Giving Pledge
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。