magma

IPA/ˈmæɡmə/
KK[mˈæɡmə]IPA/ˈmæɡmə/

magma — 名詞

1. very hot, melted rock that lies deep under the ground; when it bursts out of a v

1.名詞B2
釋義

岩漿

地底深處未噴出的熔融岩石

very hot, melted rock that lies deep under the ground; when it bursts out of a volcano onto the surface, it is then called lava.

例句

Geologists drilled through volcanic ash to study how magma moves beneath the Earth's surface.

地質學家鑽穿火山灰，研究岩漿在地表底下如何流動。

subject collocation: geologists study magma

Pressure built up as magma rose slowly toward the crater of Mount Sakurajima.

岩漿慢慢上升到櫻島山的火山口，壓力也跟著累積。

collocation: magma rises / pressure builds

常見搭配
  • magma chamber
  • rising magma
  • molten magma
  • magma flow
同義詞
  • molten rock

    plain-English equivalent; works in both technical and everyday writing

  • lava

    only after it reaches the surface; not interchangeable underground

用法筆記

Uncountable: say 'magma rises', not 'a magma rises'. Distinguish from 'lava' — same melted rock, but 'magma' stays underground while 'lava' has reached the surface.

常見錯誤

The volcano shot magma into the sky.
The volcano shot lava into the sky.
once melted rock leaves the volcano, it is called lava, not magma.
Several magmas filled the chamber.
Magma filled the chamber.
magma is uncountable; do not pluralise it.

同根字

  • magmatic
    形容詞C1
  • magma chamber
    名詞C1

常見搭配

名詞搭配

  • magma chamber
  • magma flow
  • magma pressure
  • magma intrusion

常用片語

  • a pool of magma
  • a chamber of magma

介系詞搭配

  • of magma
  • beneath / under magma