a mouth or mouthlike opening
同义词：os
a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known
同义词：osmium??/??Os??/??atomic number 76
(computer science) software that controls the execution of computer programs and may provide various services
同义词：operating system??/??OS
the left eye
同义词：oculus sinister??/??OS
rigid connective tissue that makes up the skeleton of vertebrates
同义词：bone??/??os
In the past,the W.H.O.and experts with America's Centers for Disease Control and Prevention noted guidance for disease spread on airplanes.
VOA : special.2009.07.14
They are quite unlikable, and this is consistent pretty much across O'Connor's fiction : short, long, medium, whatever.
他们一点都不可爱，这些由始至终贯穿于她的作品里：,短篇的，长篇的，中篇的，无论哪种都是。
1945年后的美国小说课程节选 : 耶鲁公开课
She wrote a very compelling argument about O'Connor's fiction not about Wise Blood in particular, but about her stories.
她针对奥克纳小说写过一篇极有说服力的文章,并不只是针对《慧血》，而是针对奥克纳的所有故事。
These include the doorway of Tara, Scarlett O'Hara's family home, and a painting of Scarlett owned by Rhett Butler.
VOA : special.2010.10.22
This week in our series, Shep O'Neal and Tony Riggs begin the story of America's seventeenth president.
VOA : special.2010.01.21
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。