一种双重机械密封地漏芯，由地漏芯上主体、浮子、地漏芯下主体和活动门组成。

A dual mechanical seal floor drain core is composed of an upper floor drain core body, a floater, a lower floor drain core body and a valve.

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公共庭院的活动门可以自由关闭，模糊了与建筑之间的界限，同时提供隐私和视野。

The common courtyards can be closed with moving doors to blur the relation to the building, giving privacy and a visual frame.

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由于床板上的贯穿孔结合活动门，活动门有开启机构，不但能封闭床板上的贯穿孔，而且操作方便。

Because of the penetrative foramina of the soleplate incorporated the movable door with the open framework, it is very convenient to close the penetrative foramina of the soleplate.

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I am especially concerned about attendence, So if you have arch-practice these Tuesday afternoons and can't be here every week, you shouldn't take this course.

我很在意考勤，所以，如果周二下午,你有实践活动课,不能每周都出勤的话，建议你不要选这门课。

麻省理工公开课 - 电影哲学课程节选

That is a maximum If you are sharing your time and energy during this period on Tuesday afternoons, or the arch-field don't work so think carefully about that.

让大家充分发挥自己的能力,如果每周二下午这段时间,你都有时间，精力也很充沛，就可以来上这门课，不过这样你就没时间参加实践活动了,所以请仔细考虑吧。

麻省理工公开课 - 电影哲学课程节选

As we will learn throughout the course, by far the vast majority of what our brains do, the vast majority of what our minds do, is unconscious and we're unaware of it.

正如我们将会在这门课中了解到的，尤其是绝大多数的大脑活动，绝大多数的心理活动，其实都是无意识的，是无法察觉到的。

耶鲁公开课 - 心理学导论课程节选