为了保证宇航员和飞船的安全，宇航员必须通过一扇特殊的门离开和返回飞船。

To keep the astronauts and the spacecraft safe, the astronauts must leave and go back to the spacecraft through a special door.

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中国书法是亚洲文化中一门特殊的艺术。

Chinese handwriting is a special art of Asian cultures.

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这扇特殊的门可以让信息流入，可以让你看到各种事物，还可以让你从别处学习东西。

This special door allows information to come in, allows you to see things and to learn among others.

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Well a number of you have spent this past week playing with this particular tool which is a project the course has been working on for some time in an effort to make it easier and more social to actually shop for courses.

在过去的一周里,已经有一部分人开始使用这种特殊的工具了,这门课程一直在致力于这一工具的开发,目的是为了让课程变的更简单,选课更人性化。

哈佛公开课 - 计算机科学课程节选

Is there any special reason that you chose that class?

有没有一些特殊的原因促使你选择了这门课程呢？

最喜欢的一门课 - SpeakingMax英语口语达人

This particular lecture course was being given by Georges Poulet, a so-called phenomenological critic.

这门特殊的演讲类课程由乔治斯，波利特，一个现象学批评家授课。

耶鲁公开课 - 文学理论导论课程节选