In the phonograph parlors, customers listened to recordings through individual ear tubes, moving from one machine to the next to hear different recorded speeches or pieces of music.

在留声机厅里，顾客通过单只耳道听录音，从一台机器转到另一台，听不同的演讲录音或音乐片段。

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To enter the challenge, all artwork or pieces of writing should be sent to 265 Mass Avenue.

想参加挑战的话，请把所有的艺术品或文字作品都送往马萨诸塞大道265号。

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You can use a topology model to describe an IT system, or pieces of an IT system.

您可以利用一个拓扑模型来描述一个IT系统，或者一个IT系统的片段。

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He says there are more than three hundred thousand small objects or pieces of debris in orbit that are larger than one centimeter.

VOA: special.2009.04.01

So, antigens are molecules or pieces of molecules that stimulate an immune response.

所以 抗原是可以激发免疫反应的,分子或分子碎片

耶鲁公开课 - 生物医学工程探索课程节选

Another approach which is still investigational, in that it's being tried for many diseases but not yet clinically used in any particular one, is maybe you don't need to introduce a whole virus or pieces of a protein at all.

另一种方法目前仍处于试验阶段,该方法即将试用于许多疾病,但还没有对某一特定疾病进行临床试验,那就是无需引入整个病毒,或者根本不用引入蛋白质片段

耶鲁公开课 - 生物医学工程探索课程节选

They work only with dead cells or pieces of a cell, never capturing crucial data about how drugs affect living cells.

FORBES: Cellular Home Movies

They said the site can display inventory that is in storage or pieces offered at lower price points and therefore not a priority for gallery sales staff.

WSJ: Online Art Seller Eyes Wider Market

Researchers can only use dead cells or pieces of a cell and can only test for one response at a time, such as enzyme activity or the binding of a compound to a receptor.

FORBES: Laser light shows