The seal ring shell has a front piece and a back piece secured together.

密封环壳体具有紧固在一起的前件和后件。

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Stops quietly on yours front piece, is feeling your warmth, never leaves.

悄悄停在你的衣襟上，感受着你的温暖，永不离开。

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The front piece further includes a radially extending shin portion connected to the foot portion and located radially outward of the foot portion.

前件进一步包括连接至足部并径向定位在足部外的径向延伸的胫部。

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That test is the piece of paper you have in front of you.

这个测试就是放在你们面前的那张纸。

耶鲁公开课 - 心理学导论课程节选

So how many time do you think-- you all have a piece of paper in front you-- how many time do you think you need to roll over the piece of paper ? for the piece of paper to reach the moon?

你们认为需要折多少次-,你们面前都有一张纸-,你们认为需要将纸折叠多少次,才能碰到月亮？

哈佛公开课 - 幸福课课程节选

So, he ultimately detached the front door and added a piece of material with a black-and-white pattern.

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