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- You must master a matrix. 你一定要精通一个矩阵。
- You must master the law of conservation of energy. 你必须掌握能量守衡定律。
- In order to succeed, you must master intricate flight dynamics. 要取得胜利，你必须掌握很复杂的飞行动力学知识。
- In short, you must master the related information about the university. 你可以写信给学校或者访问该校网址，总之，你必须掌握该大学的有关信息。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- If you go to a private hospital you must pay. 如果你去一家私立医院就诊，你得付费。
- As they develop their native language, children must master a systematic set of patterns and learn how to fit given sounds into those patterns. 儿童在习得母语的同时,必须掌握一套系统的模式,并学会将特定的语音纳入这些模式中。
- To earn a Ph.D., One must accomplish two things. First, one must master a specific subject completely. Second, one must extend the body of knowledge about that subject. 要取得博士学位,必须做到两件事:一是完全掌握某一课题的知识,二是必须增加此课题的知识积累。
- Regardless of what flow one is running, in order to enter the new dream one must master a rotational flow that resonates with the magnetism of the Great Central Sun. 不管一个人所运行的是哪种能量流，为了进入到新梦想之中，你必须掌握一种与大中枢太阳磁性所共鸣的圆形能量流。
- Having made a promise, you must carry it through. 你既然答应了，就得履行自己的诺言。
- To do this job, you must have a degree in English. 从事这个工作你必须具有英语专业的大学学位。
- At that moment of conviction, you must master the sin that crouches at the door of your life. 在这个信念时刻，你必须控制在你生命门口的罪恶。
- It's not easy to master a foreign language. 掌握一门外语并不容易。
- You must be a saint to be able to stand his temper! 能受得了他的脾气，一定得非常有涵养！
- Teachers said that the 21st century is the era of knowledge-based economy is the Internet era is the era of human computers and networks, is each and every student must master a curriculum. 老师说过，21世纪是知识经济的时代，是网络时代，是人类数字化生存的时代，电脑和网络，是每一个学生都必须掌握的一门课程。
- You mustn't let yourself get into a rut. 你不能陷入老一套。
- This word appears in countless conversations every day. If you really want to master English, you must master this word . 这个词每天在无数的对话中出现。如果你真的想掌握英语，那你一定要掌握这个单词。
- You must shut the gas supply off if there's a leak. 煤气泄漏时，必须把截门关上。
- You must work hard to ride out a storm. 你们必须努力工作以渡过难关。
- Kim's Note: This word appears in countless conversations every day. If you really want to master English, you must master this word. 这个词每天在无数的对话中出现。如果你真的想掌握英语，那你一定要掌握这个单词。
