I screamed in pain as the knife cut the surface layer of my skin.

我的皮肤被割开了，我痛苦的嘶叫着。

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When impactors slammed into the surface of Phoebe, the collisions excavated fresh, bright material — probably ice — underlying the surface layer.

当高速而来的撞击者一头扎进月亮表面时，就掘出了表层以下的新鲜物质——很可能是冰。

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The connections between the spherical gaps in the sponge are then enlarged, using a technique called electropolishing to dissolve the surface layer of the metal.

通过采用一种叫电解抛光的技术来溶解金属的表层，使得海绵中球体间隙的连接被扩大了。

youdao

Drop several seeds over the surface of the pot and cover with a thin layer of vermiculite, a substance that can hold air, water and nutrients.

VOA: special.2009.04.21

The way we did this was to coax embryonic stem cells first to develop into the surface layer.

我们是这么做的,先诱导胚胎干细胞,发育成外胚层。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

First is that the ear develops from the surface layer of the embryo.

耳朵是由,胚胎的外胚层发育来了。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The effect of these strengthened winds whipping across the sea surface is to bring deeper, more carbon-rich water up from below, thus reducing the surface layer's capacity to absorb more CO2 from the air.

ECONOMIST: Climate change

But that showmanship, the glitz and glitter, was only the very topmost surface layer of an entirely remarkable businessman.

FORBES: Apple Chief Tim Cook Passes His First Test

Her evidence is that many of these layers contain animal burrows that seem to start at the surface of the layer, suggesting that the layer in question had been buried subsequently.

ECONOMIST: Some new ideas about why life on Earth has periodic crises