outcrop

露頭、露出的岩層地質

We climbed onto a granite outcrop to get a better view.

我們爬上一塊露出地面的花崗岩，想看得更清楚。

露出地表、出露地質

Limestone outcrops along the whole eastern side of the valley.

石灰岩沿著整個山谷東側露出地表。