巴黎被围困了四个月后被迫投降。Paris was besieged for four months and forced to surrender.正方形的四个角the four corners of a square墙上有四个窗户和两扇门.There are four windows and two doors in the wall....
Most mobile robots are still in the design stage.大多数移动机器人仍处在设计阶段。The robots have been on trial for the past year.这些机器人过去一年都在试用当中。These cars are built by robots.这些汽车是由机器人制造的。...
他选择了攻读耶鲁大学的经济学硕士学位。He took a master's degree in economics at Yale.该课程比硕士学位课程更注重实践。The course is more practically based than the Masters degree.我拿文科硕士学位其实就是觉得好玩儿。I took my M. A. just for fun really....