adj.(火山)喷出的

The volcanic rock, such as basalt, is extrusive and cools quickly on the Earth's surface.
熔岩，如玄武岩，是喷出岩，在地表迅速冷却。
Extrusive igneous rocks form from lava flows that cool and solidify outside of the Earth's crust.
喷出岩是由在地球地壳外冷却和固化的熔岩流形成的。
The extrusive activity of Mount Etna has shaped the landscape of Sicily over thousands of years.
埃特纳火山的喷出活动历经数千年塑造了西西里岛的地貌。
Lava domes are a common feature of extrusive volcanic activity, often seen in areas with low viscosity magma.
熔岩穹丘是低粘度岩浆区常见的喷出火山活动特征。
The rapid cooling of extrusive rocks leads to the formation of small crystals.
喷出岩的快速冷却导致形成小晶体。
The contrast between intrusive and extrusive igneous rocks lies in how they cool and where they form.
侵入岩与喷出岩的区别在于它们的冷却方式和形成位置。
Extrusive rocks, like pumice, are often light in color due to the presence of gas bubbles trapped during their rapid cooling.
像浮石这样的喷出岩通常颜色较浅，因为它们在快速冷却过程中捕获了气体泡。
The extrusive nature of shield volcanoes means their eruptions tend to be less explosive than those of stratovolcanoes.
盾状火山的喷出性质意味着其喷发往往不如层状火山爆炸性强。
Obsidian, a naturally occurring glassy volcanic rock, is an example of a rapidly cooled extrusive igneous rock.
黑曜石，一种天然的玻璃质火山岩，是快速冷却的喷出岩的例子。
The study of extrusive igneous formations helps geologists understand the dynamics of volcanic eruptions and their impact on the environment.
对喷出岩浆成因的研究帮助地质学家理解火山爆发的动态及其对环境的影响。