该大桥在中间部位断裂成了两半。

The bridge had broken off in the middle.

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相反，您应该坚持把盖着黄油的碟子放在顶部或中间部位。

Instead, keep your stick in a covered butter dish on a top or middle shelf.

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在实验中，受试者被要求一直盯着电脑屏幕的中间部位。

In the experiments, participants were asked to keep their gaze directed toward the center of a computer screen.

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In this case the shape is - there's a cell body in the center here so this is where the nucleus is and where all the transcription, production of proteins take place here.

在这个细胞中,中间部位是细胞体,细胞核位于其中央,转录以及翻译过程均发生于此

耶鲁公开课 - 生物医学工程探索课程节选