magma
Magma is extremely hot, liquid rock found deep under the Earth's surface. It is the material that forms volcanoes and turns into lava when it comes out of the ground.
例句
3 / 5The teacher told the class that magma is found under the ground.
The teacher told the class that magma is found under the ground.
Scientific instruments detected a shift in the magma deep within the crust.
Scientific instruments detected a shift in the magma deep within the crust.
Did you see that movie where the characters fall into a pit of magma?
Did you see that movie where the characters fall into a pit of magma?
词族
记忆技巧
Remember: Magma is in the 'Middle' (underground), while Lava 'Leaves' the volcano.
快速测验
The hot liquid rock under the Earth is called ______, but when it comes out it is called lava.
正确!
正确答案是: magma
例句
The teacher told the class that magma is found under the ground.
everydayThe teacher told the class that magma is found under the ground.
Scientific instruments detected a shift in the magma deep within the crust.
formalScientific instruments detected a shift in the magma deep within the crust.
Did you see that movie where the characters fall into a pit of magma?
informalDid you see that movie where the characters fall into a pit of magma?
The composition of the magma determines what kind of rock will form after it cools.
academicThe composition of the magma determines what kind of rock will form after it cools.
The energy company is researching ways to use heat from magma to create power.
businessThe energy company is researching ways to use heat from magma to create power.
词族
常见搭配
常用短语
underground magma
underground magma
magma reservoir
magma reservoir
source of magma
source of magma
容易混淆的词
Magma is the molten rock while it is underground; lava is the same substance once it reaches the surface.
使用说明
Use this word specifically when talking about liquid rock that has not yet erupted from a volcano. It is a scientific term but is used commonly in school and nature documentaries.
常见错误
Learners often use 'magma' to describe the red liquid flowing down a mountain, but at that stage, it should be called 'lava'.
记忆技巧
Remember: Magma is in the 'Middle' (underground), while Lava 'Leaves' the volcano.
词源
Derived from the Greek word 'magma' which means 'a thick ointment' or 'kneaded mass'.
语法模式
快速测验
The hot liquid rock under the Earth is called ______, but when it comes out it is called lava.
正确!
正确答案是: magma
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