In fact, since the process can occur relatively quickly, it could be that the thin red layer of dust on Mars is somewhat new.

事实上，由于这一过程发生得相对较快，说不定火星上薄薄的那层红色尘埃层些许还是新近形成的呢。

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The cells in the bright red layer and in the pale layers above it are completely flattened and dead, and have lost their nuclei.

亮红色细胞层（透明层）和骑 上的染色很淡的细胞层中，细胞都极为 扁平化，核消失，细胞死亡。

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Nanxiong red layer is located in the red rock Nanxiong Basin, about 80 kilometers wide and 18 km, an area of about 1500 square kilometers.

南雄红层是指位于南雄盆地的红色岩层，长约80公里，宽18公里，面积约1500平方公里。

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Grotzinger knew from satellite images that there was a layer of crystalline red hematite near the bottom, then a layer of clay about a hundred and sixty feet above it, then a layer of sulfates above that.

NEWYORKER: The Martian Chroniclers

The cookie to emerge from my auditions this year is a tri-color butter cookie: a layer of red, green and white dough rolled and sliced into a gorgeous swirl.

NPR: Pursuit of the Perfect Christmas Cookie

Refurbish state departments of education to give them the tools to truly reform school systems rather than add layer upon layer of new rules and bureaucratic red tape.

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