Unlike a thorn, a prickle can be easily broken off the plant because it is really a feature of the outer layers rather than part of the wood, like a thorn.

与刺不同，皮刺能够被轻易地从植物茎上剥落，因为它仅仅是植物外层的一种特征，而不像刺那样是树木的一部分。

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The outer layers of the volcano were worn away, until the hardcore stood completely exposed.

火山的外层已经磨损殆尽，直到硬核层完全暴露在外。

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The outer planets are giant worlds with thick outer layers of gas.

外行星是具有气体外层的巨大行星。

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Refining it involves removing the outer layers, including the husk,bran and germ, leaving the inner white kernel.

VOA: standard.2010.06.25

00 times electrode is only 1 mm long that penetrates just the most outer layers of the outer regions of your brain called into the distributable cortex.

00个这样的电极只有1毫米长,他们插进大脑最外层的区域的最外层,这个区域被称为分布皮层。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

"The outer layers will slow down the penetration of digestive enzyme into the starch part so that the release of the sugar into the bloodstream will be slow for brown rice in comparison with white rice."

VOA: standard.2010.06.25

This is found in the deeper layers of mucous but not in the outer layers.

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The castle's walls will consist of inner and outer layers of stone, sandwiching a reinforced concrete core.

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If the star's outer layers could be mixed into the core, that would slow the process of inflation down.

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