This professional all-tube amplifier was developed to meet the exacting specifications of Edward Van Halen, one of the true living legends of rock guitar.

本专业全管放大器的开发是为了满足爱德华范海伦，对真实生活的摇滚吉他传奇人物之一的严格规范。

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All eyes were fixed on a narrow test tube — two-thirds filled with a viscous black liquid — clamped between two couplings on the machine.

所有的目光都集中在一个狭窄的试管上，里面三分之二装着黑色的粘性液体，试管被夹在机器的两个联结器之间。

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All of the places that the tube connects; and at the bottom, how much data that tube can carry.

所有与此管道连接的地方，在底部显示这个管道传输的数据流量。

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It's this tube-like structure, which is made of many, many epithelial cells all directly adjacent to each other, is what separates the outside world from our internal bodies.

这些管状结构,也是由许许多多上皮细胞,互相连接而成的,它使体内和体外,区分开来

耶鲁公开课 - 生物医学工程探索课程节选

Although promising, it was all test-tube conjecture.

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Virgin Media's comprehensive WiFi portal will continue to keep all Tube passengers up-to-date with TfL travel information and great London news and entertainment for free.

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By 1930, such vacuum-tube diodes had all but replaced the quirkier crystal detector.

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