Pandora's box's opened layer after layer;

潘多拉之盒层层打开；

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You gradually shed layer after layer after layer.

你慢慢一层一层地剥去洋葱皮。

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Daisy petals layer after layer, like a yellow honey sandwiches.

雏菊的花瓣一层又一层，就像带有黄色蜂蜜的三文治。

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Under this layer of nanodiamonds, they found remains of many ancient animals, including those that disappeared after Younger Dryas.

VOA: special.2009.01.20

This surface layer thickens at an early stage in a mouse after 8 days of development.

发育8天后，老鼠早期胚胎的,外胚层开始增厚。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Policies passed through layer after layer of insurers, reinsurers and brokers (see chart).

FORBES: Passing the Trash

But during the trial Astra brought in a drug-delivery expert from the University of Nottingham who analyzed Andrx's pellets under a microscope with infrared and ultraviolet light and concluded they contain a third layer after all, thus infringing Astra's patents.

FORBES: Hard to Swallow

The result is that any coating, such as an antibacterial layer, would be "self-repairing" after small amounts of damage, as the molecular chains just below the damaged layer re-cover the surface.

BBC: Coating heals itself after damage