a grey lustrous metallic element of the rare earth group; is used in special alloys; occurs in monazite and bastnasite
同义词：samarium??/??Sm??/??atomic number 62
a master's degree in science
同义词：Master of Science??/??MS??/??SM??/??MSc
I'm Faith Lapidus. One of the world's great natural wonders is in the state of New Mexico, in the American Southwest.
VOA : special.2010.01.04
Right? I expect him to tell me the truth about the weather, right, and that's what I'm listening to him for.
对吧？，我希望他告诉我们天气的实况，我听他说话就是这个目的。
文学理论导论课程节选 : 耶鲁公开课
Am I going to a class? Oh no. Ok, so the program that I'm in is, it's a program for undergraduate.
去上课？不是。我参加的是一个本科生的项目。
SpeakingMax英语口语达人 : 去学校聚会的路上
She researched some of the places Darwin visited on his trip on the ship H.M.S.Beagle in the eighteen thirties.
VOA : special.2009.02.27
Curt Onalfo's playing career included many appearances with the National Team and a victory in the M.L.S.Cup in nineteen ninety-nine.
VOA : special.2010.06.02
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。