A piece of rock that shows above the ground, where the solid rock underneath the soil comes up to the surface and can be seen. Picture a hillside of grass with grey stone breaking through it, or bare rock on a mountainside — that stone is an outcrop.

A piece of rock that shows above the ground, where the solid rock underneath the soil comes up to the surface and can be seen一塊露出地面的岩石，也就是土壤底下的堅硬岩層冒出地表、可以被看見的地方 Picture a hillside of grass with grey stone breaking through it, or bare rock on a mountainside — that stone is an outcrop想像一個長滿草的山坡，有灰色的石頭從中冒出來，或是山坡上裸露的岩石——那塊石頭就是outcrop

It is a countable noun and belongs to geography, geology, hiking and nature writing; you would meet it in a textbook or a walking guide, not in conversation. It usually comes with 'of' and the kind of rock: an outcrop of granite, a limestone outcrop.

It is a countable noun and belongs to geography, geology, hiking and nature writing; you would meet it in a textbook or a walking guide, not in conversation它是可數名詞，屬於地理、地質、登山、和自然寫作的用詞；你會在課本或健行指南裡遇到它，而不是在對話裡 It usually comes with 'of' and the kind of rock: an outcrop of granite, a limestone outcrop它通常會搭配'of'和岩石的種類：an outcrop of granite（花崗岩露頭），a limestone outcrop（石灰岩露頭）

There is also a verb, 'to outcrop', used by geologists to say that a layer of rock appears at the surface ('the coal seam outcrops near the river'), but that use is technical and rare. Geologists like outcrops because they are free windows into what is under the ground — you can read the layers without digging.

There is also a verb, 'to outcrop', used by geologists to say that a layer of rock appears at the surface ('the coal seam outcrops near the river'), but that use is technical and rare也有一個動詞'to outcrop'，地質學家用它來說某一層岩石在地表出現('the coal seam outcrops near the river'，煤層在河邊露頭)，不過這種用法很專門也很少見 Geologists like outcrops because they are free windows into what is under the ground — you can read the layers without digging地質學家喜歡outcrop，因為它們是免費的窗口，讓你看見地底下的東西——不用挖就能讀出地層