该设备的电极由被称为共晶镓-铟的独特液态金属制成，当它延展和松弛时，该液态金属沿一个表面变化。

The device's electrode is made from a unique liquid metal called eutectic gallium-indium, which conforms to a surface as it lengthens and relaxes.

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这一变化主要是表面文章，不过是受欢迎的政治性虚华词藻而非社会现实。

The change is largely cosmetic, a matter of acceptable political rhetoric rather than social reality.

《柯林斯英汉双解大词典》

冰下海水的运动经常会引起表面上许多不同的变化。

The movement of the ocean water under the ice may often cause many different changes on the surface.

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When they receive the signal they make - they change in a very specific way and the cell can recognize this change that's occurred at the cell surface.

当它们接收到信号之后,就会发生十分特殊的变化,细胞能够识别自身表面发生的这种变化

耶鲁公开课 - 生物医学工程探索课程节选